Matsumoto, Takeshi
Tanizawa, Kiminobu
Tachikawa, Ryo
Murase, Kimihiko
Minami, Takuma
Inouchi, Morito
Handa, Tomohiro
Oga, Toru
Hirai, Toyohiro
Chin, Kazuo
Article History
Received: 5 June 2017
Accepted: 10 April 2018
First Online: 25 April 2018
Competing Interests
: Dr. Takeshi Matsumoto reports grants from japan Foundation for Neuroscience and Mental Health, during the conduct of the study. Dr. Kiminobu Tanizawa reports grants from the Japanese Ministry of Education, Culture, Sports, Science and Technology (16K09534), during the conduct of the study; grants from Philips-Respironics, grants from Teijin Pharma, grants from Fukuda Denshi, grants from Fukuda Lifetec Keiji, outside the submitted work. Drs. Kimihiko Murase, Morito Inouchi, and Toru Oga reports grants from Philips-Respironics, grants from Teijin Pharma, grants from Fukuda Denshi, grants from Fukuda Lifetec Keiji, outside the submitted work. Dr. Kazuo Chin reports grants from the Japanese Ministry of Education, Culture, Sports, Science and Technology (17H04182), grants from the Intractable Respiratory Diseases and Pulmonary Hypertension Research Group, the Ministry of Health, Labor and Welfare, Japan, grants from the Japan Vascular Disease Research Foundation, grants from Health, Labour and Welfare Sciences Research Grants, Research on Region Medical, grants from Japan Agency for Medical Research and Development under Grant Number JP17ek0210096, during the conduct of the study; grants and personal fees from Philips-Respironics, grants and personal fees from Teijin Pharma, grants and personal fees from Fukuda Denshi, grants and personal fees from Fukuda Lifetec Keiji, grants from KYORIN Pharmaceutical Co., Ltd, grants from Nippon Boehringer Ingelheim Co., Ltd, grants and personal fees from GlaxoSmithKline, personal fees from MSD, personal fees from Resmed, personal fees from Astellas Pharma, personal fees from Eisai Co., Ltd., outside the submitted work. Drs. Ryo Tachikawa, Takuma Minami, Tomohiro Handa, and Toyohiro Hirai declare no potential conflict of interests.