School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, Taiwan; Department of Family Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan. Department of Family Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan; Department of Communications Engineering, Yuan Ze University, Taoyuan City, Taiwan. Department of Family Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan. School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, Taiwan. Electronic address: sangling@tmu.edu.tw.