Funding for this research was provided by:
Faculdade de Medicina da Universidade de São Paulo (0075/2015)
Conselho Regional de Medicina do Estado de São Paulo
Conselho Federal de Medicina
Text and Data Mining valid from 2018-04-23
Received: 7 August 2017
Accepted: 28 March 2018
First Online: 23 April 2018
Ethics approval and consent to participate
: Ethics Statement: The study was based on a telephone inquiry, therefore all the physicians interviewed gave their informed verbal consent before participating. This study was approved by the Ethics in Research Committee of the Medical School of the University of São Paulo (Universidade de São Paulo) (Decision #. Protocol Number 79.424, 09/03/2014).
: Not applicable.
: The authors declare that they have no competing interests.
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