In response to the 'Letter to the Editor' on the paper 'Aging effect on sleepiness and apneas severity in patients with obstructive sleep apnea syndrome: a meta-analysis study'
1 Department of 'Organi di Senso', University "Sapienza", Via Satrico 7, 00183, Rome, Italy. giannicolaiannella@hotmail.it.
2 Department of Head-Neck Surgery, Otolaryngology, Head-Neck and Oral Surgery Unit, Morgagni Pierantoni Hospital, Forlì, Italy. giannicolaiannella@hotmail.it.
3 Department of 'Organi di Senso', University "Sapienza", Via Satrico 7, 00183, Rome, Italy.
4 Department of Head-Neck Surgery, Otolaryngology, Head-Neck and Oral Surgery Unit, Morgagni Pierantoni Hospital, Forlì, Italy.
5 Department ENT and Audiology, University of Ferrara, Ferrara, Italy.