. . . . . . "ESADA (European Sleep Apnea Database) is a collaboration between European sleep centers as part of the COST Action B 26. The main contractor of the project is the Sahlgrenska Academy at G\u00F6teborg University, Institut of Medicine, Department of Internal Medicine and the co-ordinator is Jan Hedner, MD, PhD, Professor of Sleep Medicine."@en . "ESADA (European Sleep Apnea Database) is a collaboration between European sleep centers as part of the COST Action B 26. The main contractor of the project is the Sahlgrenska Academy at G\u00F6teborg University, Institut of Medicine, Department of Internal Medicine and the co-ordinator is Jan Hedner, MD, PhD, Professor of Sleep Medicine."@en . .