Abstract (1810) | Core Tip (1697) | Full Article (HTML) (9299) | Figures (1-1) (455) | Tables (1-1) (442) | Full Article (PDF)-945K (964) | Audio-1943K (33) | Peer-Review Report-109K (506) | Answering Reviewers-63K (443) | Received: 05/26/2015 | Revised: 07/07/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (65) | Total Visits (24329) | Similar Articles (365) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1453) | Core Tip (1321) | Full Article (HTML) (3085) | Full Article (PDF)-763K (484) | Audio-322K (11) | Peer-Review Report-105K (258) | Answering Reviewers-275K (252) | Received: 04/16/2015 | Revised: 07/14/2015 | Accepted: 09/18/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (11903) | Similar Articles (11) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1892) | Core Tip (1729) | Full Article (HTML) (17212) | Tables (1-1) (494) | Full Article (PDF)-984K (2073) | Audio-975K (27) | Peer-Review Report-69K (348) | Answering Reviewers-67K (304) | Received: 08/20/2014 | Revised: 12/02/2014 | Accepted: 11/04/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (155) | Total Visits (29448) | Similar Articles (2) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1985) | Core Tip (1768) | Full Article (HTML) (13264) | Tables (1-1) (501) | Full Article (PDF)-982K (1154) | Audio-4440K (59) | Peer-Review Report-121K (408) | Answering Reviewers-510K (346) | Received: 09/02/2015 | Revised: 10/21/2015 | Accepted: 12/11/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (27295) | Similar Articles (4) | Timeline of Article Publication (5) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1655) | Core Tip (1655) | Full Article (HTML) (8857) | Tables (1-2) (1032) | Full Article (PDF)-978K (1144) | Audio-1206K (32) | Peer-Review Report-79K (402) | Answering Reviewers-324K (429) | Received: 06/09/2015 | Revised: 08/27/2015 | Accepted: 10/27/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (96) | Total Visits (35055) | Similar Articles (8) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1795) | Core Tip (1567) | Full Article (HTML) (9942) | Full Article (PDF)-883K (1092) | Audio-1203K (28) | Peer-Review Report-80K (314) | Answering Reviewers-120K (395) | Received: 06/12/2015 | Revised: 09/08/2015 | Accepted: 10/19/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (16) | Total Visits (20272) | Similar Articles (27) | Timeline of Article Publication (6) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1275) | Core Tip (1275) | Full Article (HTML) (3761) | Tables (1-3) (459) | Full Article (PDF)-974K (543) | Audio-149K (29) | Peer-Review Report-114K (268) | Answering Reviewers-133K (249) | Received: 06/24/2015 | Revised: 08/31/2015 | Accepted: 10/08/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (13) | Total Visits (14331) | Similar Articles (0) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1463) | Core Tip (1474) | Full Article (HTML) (4313) | Figures (1-2) (312) | Tables (1-3) (305) | Full Article (PDF)-1163K (658) | Audio-6127K (24) | Peer-Review Report-108K (352) | Answering Reviewers-109K (233) | Received: 04/14/2015 | Revised: 06/18/2015 | Accepted: 10/13/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (9) | Total Visits (16192) | Similar Articles (36) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1447) | Core Tip (1537) | Full Article (HTML) (3061) | Tables (1-5) (451) | Full Article (PDF)-942K (471) | Audio-596K (22) | Peer-Review Report-93K (280) | Answering Reviewers-218K (230) | Received: 05/07/2015 | Revised: 07/18/2015 | Accepted: 09/28/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (4) | Total Visits (12912) | Similar Articles (2) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1636) | Core Tip (1516) | Full Article (HTML) (11307) | Tables (1-1) (791) | Full Article (PDF)-969K (1175) | Audio-430K (40) | Peer-Review Report-105K (297) | Answering Reviewers-130K (276) | Received: 06/12/2015 | Revised: 09/23/2015 | Accepted: 11/11/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (115) | Total Visits (23420) | Similar Articles (198) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open