Uppsala Akademiska Hospital, EENT department, Uppsala, Sweden
Karolinska University Hospital, Stockholm, Solna, Sweden
Karolinska Institutet, Stockholm, Sweden
Karolinska Institutet, Stockholm, Sweden
Karolinska Institutet, Stockholm, Sweden
Karolinska Institutet, Stockholm, Sweden
Karolinska Institutet, Stockholm, Sweden
International Clinic of Rehabilitation, Truskavets, Lviv, Ukraine
Astrid Lindgren Children Hospital, Stockholm, Sweden
Dept of Obstetrics and Gynecology, Dnderyds Hospital, Stockholm, Sweden
Department of Orthopaedics, Stockholm South Hospital, Stockholm, Sweden