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Abstract (1240) | Core Tip (1279) | Full Article (HTML) (10154) | Figures (1-1) (513) | Tables (1-1) (364) | Full Article (PDF)-1231K (1107) | Peer-Review Report-155K (237) | Answering Reviewers-238K (347) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (19817) | Similar Articles (99) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1312) | Core Tip (1273) | Full Article (HTML) (4962) | Full Article (PDF)-1201K (686) | Peer-Review Report-79K (268) | Answering Reviewers-209K (253) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (13968) | Similar Articles (88) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1231) | Core Tip (1176) | Full Article (HTML) (6633) | Tables (1-2) (399) | Full Article (PDF)-1112K (677) | Peer-Review Report-81K (203) | Answering Reviewers-63K (311) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (29) | Total Visits (14992) | Similar Articles (181) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1308) | Core Tip (1279) | Full Article (HTML) (5212) | Tables (1-4) (469) | Full Article (PDF)-1201K (678) | Peer-Review Report-80K (202) | Answering Reviewers-92K (271) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (15549) | Similar Articles (25) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1221) | Core Tip (1310) | Full Article (HTML) (8581) | Figures (1-4) (400) | Tables (1-2) (348) | Full Article (PDF)-1327K (1005) | Peer-Review Report-94K (297) | Answering Reviewers-67K (393) | Received: 04/23/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (18684) | Similar Articles (362) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1322) | Core Tip (1265) | Full Article (HTML) (5918) | Figures (1-1) (478) | Full Article (PDF)-1205K (753) | Peer-Review Report-79K (246) | Answering Reviewers-112K (244) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (14531) | Similar Articles (162) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1568) | Core Tip (1305) | Full Article (HTML) (14083) | Figures (1-1) (398) | Tables (1-1) (332) | Full Article (PDF)-1536K (778) | Peer-Review Report-104K (232) | Answering Reviewers-212K (267) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (23607) | Similar Articles (353) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1602) | Core Tip (1367) | Full Article (HTML) (7409) | Figures (1-2) (385) | Full Article (PDF)-1408K (945) | Peer-Review Report-81K (264) | Answering Reviewers-105K (439) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (18553) | Similar Articles (1716) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1496) | Core Tip (1378) | Full Article (HTML) (11707) | Figures (1-2) (393) | Tables (1-3) (316) | Full Article (PDF)-3282K (1240) | Peer-Review Report-91K (252) | Answering Reviewers-100K (306) | Received: 04/16/2015 | Revised: 05/28/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (23005) | Similar Articles (1722) | Timeline of Article Publication (2) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1382) | Core Tip (1219) | Full Article (HTML) (6148) | Figures (1-1) (407) | Tables (1-1) (317) | Full Article (PDF)-1208K (795) | Peer-Review Report-109K (276) | Answering Reviewers-11K (252) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (15289) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1124) | Core Tip (1135) | Full Article (HTML) (5256) | Tables (1-2) (357) | Full Article (PDF)-1257K (562) | Peer-Review Report-88K (334) | Answering Reviewers-63K (255) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (15290) | Similar Articles (2251) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1309) | Core Tip (1155) | Full Article (HTML) (4204) | Tables (1-1) (387) | Full Article (PDF)-1087K (669) | Peer-Review Report-79K (219) | Answering Reviewers-210K (221) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (12477) | Similar Articles (864) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1395) | Core Tip (1356) | Full Article (HTML) (4739) | Tables (1-3) (356) | Full Article (PDF)-1175K (681) | Peer-Review Report-111K (268) | Answering Reviewers-93K (429) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (13837) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1258) | Core Tip (1221) | Full Article (HTML) (4801) | Tables (1-3) (348) | Full Article (PDF)-1244K (691) | Peer-Review Report-99K (221) | Answering Reviewers-103K (238) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (13976) | Similar Articles (240) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1287) | Core Tip (1240) | Full Article (HTML) (7401) | Figures (1-2) (493) | Tables (1-3) (404) | Full Article (PDF)-1435K (737) | Peer-Review Report-144K (259) | Answering Reviewers-91K (313) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (16785) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1549) | Core Tip (1457) | Full Article (HTML) (9078) | Figures (1-1) (382) | Tables (1-3) (388) | Full Article (PDF)-1377K (1806) | Peer-Review Report-81K (310) | Answering Reviewers-192K (431) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (20554) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1181) | Core Tip (1244) | Full Article (HTML) (4080) | Tables (1-4) (372) | Full Article (PDF)-1160K (467) | Peer-Review Report-118K (207) | Answering Reviewers-450K (213) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (12257) | Similar Articles (272) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1072) | Core Tip (1149) | Full Article (HTML) (6791) | Figures (1-1) (381) | Full Article (PDF)-1069K (709) | Peer-Review Report-92K (204) | Answering Reviewers-105K (290) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (15283) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1276) | Core Tip (1437) | Full Article (HTML) (8193) | Figures (1-6) (457) | Tables (1-1) (339) | Full Article (PDF)-1824K (854) | Peer-Review Report-99K (264) | Answering Reviewers-185K (6353) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (23950) | Similar Articles (1716) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1309) | Core Tip (1084) | Full Article (HTML) (7249) | Figures (1-3) (374) | Full Article (PDF)-1184K (897) | Peer-Review Report-91K (223) | Answering Reviewers-106K (304) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (84) | Total Visits (15526) | Similar Articles (1741) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1572) | Core Tip (1518) | Full Article (HTML) (26043) | Figures (1-2) (702) | Full Article (PDF)-1398K (2555) | Peer-Review Report-80K (361) | Answering Reviewers-172K (378) | Received: 02/24/2015 | Revised: 06/15/2015 | Accepted: 09/02/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (139) | Total Visits (38829) | Similar Articles (7) | Timeline of Article Publication (5) | Authors Evaluation (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1109) | Core Tip (1037) | Full Article (HTML) (5637) | Tables (1-1) (314) | Full Article (PDF)-1093K (730) | Peer-Review Report-86K (188) | Answering Reviewers-106K (233) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (13600) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1154) | Core Tip (1105) | Full Article (HTML) (4774) | Figures (1-8) (436) | Tables (1-8) (400) | Full Article (PDF)-1292K (772) | Peer-Review Report-92K (231) | Answering Reviewers-36K (238) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (52) | Total Visits (13777) | Similar Articles (2274) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open