1. Dallas Heart Study.UT Southwestern Medical Center website.https://www.utsouthwestern.edu/research/translational-medicine/doing-research/dallas-heart/. Accessed August 23 2018.
2. German National Cohort (GNC).NAKO Health Study website.https://nako.de/informationen-auf-englisch/. Accessed August 23 2018.
3. Kooperative Gesundheitsforschung in der Region Augsburg (KORA).Helmholtz Zentrum München website.https://www.helmholtz-muenchen.de/en/kora/index.html. Accessed August 23 2018.
4. UK Biobank.http://www.ukbiobank.ac.uk. Accessed August 23 2018.
5. Guidelines (2013) for managing overweight and obesity in adults;Jensen MD;Obesity (Silver Spring),2014