Pim Cuijpers1, Hisashi Noma2, Toshi A Furukawa3. 1. Department of Clinical, Neuro and Developmental Psychology, Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam, the Netherlands. 2. Department of Data Science, The Institute of Statistical Mathematics, Tokyo, Japan. 3. Department of Health Promotion and Human Behavior, Kyoto University Graduate School of Medicine, School of Public Health, Kyoto, Japan.