Erratum to: Combination of anxiety and depression is associated with an increased headache frequency in migraineurs: a population-based study.
Department of Neurology, Korea University Guro Hospital, Korea University School of Medicine, Seoul, Korea.
Kyungmi
K
Oh
Department of Neurology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea.
Soo-Jin
SJ
Cho
Department of Occupational and Environmental Medicine, Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea.
Yun Kyung
YK
Chung
Department of Neurology, Chungnam National University, College of Medicine, Daejeon, Korea.
Jae-Moon
JM
Kim
Department of Neurology, Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea. chumk@hallym.ac.kr.
Min Kyung
MK
Chu