MAMI: a birth cohort focused on maternal-infant microbiota during early life oleh Izaskun García-Mantrana, Cristina Alcántara, Marta Selma-Royo, Alba Boix-Amorós, Majda Dzidic, Jose Gimeno-Alcañiz, Isabel Úbeda-Sansano, Ignacio Sorribes-Monrabal, Ramón Escuriet, Fernando Gil-Raga, Anna Parra-Llorca, Cecilia Martínez-Costa, María Carmen Collado, on behalf of MAMI team