Published on in Vol 23, No 6 (2021): June

1 School of Nursing, Hong Kong Polytechnic University, Kowloon, China (Hong Kong)
2 Parc Sanitari Sant Joan de Déu, Universitat de Barcelona, Fundació Sant Joan de Déu, Barcelona, Spain
3 Instituto de Salud Carlos III, Centro de Investigación Biomédica en Red de Salud Mental, Madrid, Spain
4 Nutrition and Dietetics Department, School of Health Science and Education, Harokopio University, Athens, Greece
5 Department of Statistics and Operations Research, Polytechnic University of Catalonia (UPC)-BarcelonaTech, Barcelona, Spain
6 Institute of Mathematics of Polytechnic University of Catalonia (UPC)-BarcelonaTech (IMTech), Barcelona, Spain
7 Catalan Institution for Research and Advanced Studies, Barcelona, Spain
8 Duke University, Durham, NC, United States
9 Department of Health Sciences, University of Leicester, Leicester, United Kingdom