[1] Srinakharinwirot Univ, Div Endocrinol & Metab, Dept Med, HRH Princess Maha Chakri Sirindhorn Med Ctr, Nakornnayok, Thailand
[2] Srinakharinwirot Univ, Fac Med, Dept Prevent & Social Med, HRH Princess Maha Chakri Sirindhorn Med Ctr, Nakornnayok, Thailand
[3] Srinakharinwirot Univ, Fac Med, Dept Otolaryngol, HRH Princess Maha Chakri Sirindhorn Med Ctr, Nakornnayok, Thailand