[1] Univ Hosp Son Espases, Div Pediat Resp Med, Dept Pediat, Carretera Valldemossa 79, Palma De Mallorca 07120, Balearic Island, Spain
[2] Balearic Isl Hlth Res Inst IdISBa, Multidisciplinary Res Grp Pediat, Palma De Mallorca, Balearic Island, Spain
[3] Balearic Isl Hlth Res Inst IdISBa, Dept Stat & Methodol Support, Palma De Mallorca, Balearic Island, Spain
[4] Balearic Isl Hlth Res Inst IdISBa, Res Grp Sleep Apnea & Hypopnea Syndrome, Palma De Mallorca, Balearic Island, Spain