Availability of data and materials
De-identified individual participant data on which summary statistics and tables are based will be made available from the point of, and up to five years after the acceptance for publication of the main findings. These data can be requested to the Principal Investigator (Dr. Silvina Arrossi) and only under a data-sharing agreement. Other materials such as forms and questionnaires will be made freely available upon request which can be made to the Principal Investigator.