Availability of data and materials: The datasets generated during and/or analysed during the current study are available upon request from group investigation. The data are available beginning 3 months and ending 5 years following article publication for to investigators, whose proposed use of data will have been approved by an independent review committee identified for to realise an individual participant data meta-analysis. Proposals may be submitted up to 36 months following article publication to IB-M ([email protected]) and EC-S ([email protected]).The College of Nurses of the Balearic Islands under award number PI2017/0192
