1 Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Odense, Denmark. fbaygi@health.sdu.dk.
2 Food and Nutrition Policy and Planning Research Department, National Nutrition and Food Technology Research Institute (NNFTRI), Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran, Islamic Republic Of.
3 Midwifery Science - Health Care Research and Prevention, IVDP, University Medical Centre Hamburg-Eppendorf, Germany.
4 Research Unit for Dietary Studies, The Parker Institute, Frederiksberg and Bispebjerg Hospital, Frederiksberg, Denmark.