Published on in Vol 21, No 3 (2019): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10335, first published
.
1 Laboratory for Mother and Child Health, Department of Public Health, Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy
2 Associazione Nazionale Culturale Ostetriche Parto a Domicilio e Casa Maternità, Varese, Italy