1. a Centre for Ergonomics, Occupational Safety and Health, School of Management , College of Business, Massey University , Palmerston North , New Zealand
2. b Department of Occupational Health and Safety , Faculty of Public Health, University of Indonesia , Depok , 16424 , Indonesia
3. c EpiCentre, Institute of Veterinary, Animal and Biological Sciences, College of Sciences, Massey University , Palmerston North , New Zealand
4. d Business Psychology Unit , University College London , UK
5. e Centre for Public Health Research, College of Social Sciences and Humanities, Massey University , Wellington , New Zealand
6. f London School of Hygiene and Tropical Medicine , London , UK