In 2019, the World Journal of Respirology (WJR) has published the 1^st issue which containing 1 editorial. The comprehensive article is “Treatment of central sleep apnea in patients with heart failure: Now and future”, an Editorial by Takatoshi Kasai, MD, PhD, Associate Professor, Department of Cardiovascular Medicine, Cardiovascular Respiratory Sleep Medicine, Juntendo University Graduate School of Medicine, Japan, et al. We invite you to peruse this article in this issue, as they present the latest research progress/findings and provide insightful comments in respirology that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 9, Issue 1, January 15, 2019.

Figure 1 The cover of the issue. Editorial-in-Chief of World Journal of Respirology, Kazuhiro Yamaguchi, FCCP, MD, PhD, Professor, Respiratory Medicine, Tokyo Medical University; General Medicine and Comprehensive Medical Center of Sleep Disorders, Tokyo Women's Medical University, Tokyo 160-0023, Japan.

We encourage respirology worldwide to submit manuscripts to the WJR describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.

We invited the readers to download and read the E-Journal of this issue.