A systematic review of vitamin D status in southern European countries - Manios, Yannis; Moschonis, George; Lambrinou, Christina-Paulina; Tsoutsoulopoulou, Konstantina; Binou, Panagiota; Karachaliou, Alexandra; Breidenassel, Christina; Gonzalez-Gross, Marcela; Kiely, Mairead; Cashman, Kevin D.; (European Journal Of Nutrition, 2018)