The first Portuguese National Health Examination Survey (2015): design, planning and implementation

Baltazar Nunes, Marta Barreto, Ana P Gil, Irina Kislaya, Sónia Namorado, Liliana Antunes, Vânia Gaio, Ana J Santos, Ana P Rodrigues, Joana Santos, Rita Roquette, Clara Alves-Alves, Emília Castilho, Eugénio Cordeiro, Ana Dinis, Tamara Prokopenko, Ana C Silva, Patrícia Vargas, Heidi Lyshol, Carlos M Dias