Social support, adherence to Mediterranean diet and physical activity in adults: results from a community-based cross-sectional study oleh Elpiniki Laiou, Iro Rapti, Georgios Markozannes, Luisella Cianferotti, Lena Fleig, Lisa Marie Warner, Lourdes Ribas, Joy Ngo, Sergio Salvatore, Antonia Trichopoulou, Antonella Vigilanza, Stavroula Tsiara, Georgia Martimianaki, Barbara Pampaloni, Luis Serra Majem, Ralf Schwarzer, Maria Luisa Brandi, Evangelia E. Ntzani