Hsuan-Chia Yang, Usman Iqbal, Yu-Chuan (Jack) Li: Corrigendum to "What are the most popular topics of CMPB in the past 3 years?" [Comput. Methods Programs Biomed. 120(June (1)) (2015) 1-2]. Comput. Methods Programs Biomed. 120(3): 180 (2015)