[1] Mansoura Univ, Fac Med, Dept Psychiat, Psychiat, POB 36551,Gomhoria St, Mansoura 35511, Egypt
[2] Mansoura Univ, Sleep Ctr, Mansoura, Egypt
[3] Mansoura Univ, Fac Med, Dept Pulm Med, Mansoura, Egypt
[4] Mansoura Univ, Fac Med, Publ Hlth & Prevent Med, Mansoura, Egypt
[5] Somnogen Canada Inc, Toronto, ON, Canada
[6] 652 Dufferin St, Toronto, ON, Canada
[7] King Saud Univ, Univ Sleep Disorders Ctr, Coll Med, Dept Med, Riyadh, Saudi Arabia
[8] Strateg Technol Program Natl Plan Sci Technol & I, Riyadh, Saudi Arabia