1 Department of Food Science and Human Nutrition, Unit of Human Nutrition, Agricultural University of Athens, Athens 11855, Greece. Electronic address: gv.michas@gmail.com.
2 Department of Food Science and Human Nutrition, Unit of Human Nutrition, Agricultural University of Athens, Athens 11855, Greece.
3 Department of Obstetrics and Gynecology, General Hospital of Nikaia, Athens, Greece.
4 Department of Food Science and Human Nutrition, Unit of Human Nutrition, Agricultural University of Athens, Athens 11855, Greece; Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA.