[1] Osaka Med & Pharmaceut Univ, Dept Otorhinolaryngol Head & Neck Surg, Takatsuki, Osaka 5698686, Japan
[2] Tokushima Univ, Grad Sch BioMed Sci, Dept Comprehens Dent, Tokushima 7708504, Japan
[3] Yamada Orthdnt Off, Izumiotsu, Osaka 5950025, Japan
[4] Osaka Med & Pharmaceut Univ, Fac Med, Dept Diagnost Radiol, Takatsuki, Osaka 5698686, Japan
[5] Tokushima Univ, Grad Sch BioMed Sci, Dept Orthdnt & Dentofacial Orthped, Tokushima 7708504, Japan