Text and Data Mining valid from 2019-09-23
Received: 15 April 2018
Accepted: 15 August 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: The study of the PMQ was approved by the Federal University of Pernambuco Human Research Ethics Committee, under CAAE 53015615.2.0000.5208, and protocol n°.1.651.685, in compliance with National Health Council Resolution no. 466, of December 12, 2012. All participants (patients with sickle cell anemia and specialists) gave their informed consent, and the author (Robert J. Gatchel) authorized the PMQ validation in Brazil. All study participants were invited and signed the Informed Consent Form.
: All study participants signed free and informed consent. They also agreed to publish the data Availability of data and material. If you would like to see the complete doctoral thesis data, contact the corresponding author at ExternalRef removed.
: The authors declare that they have no competing interests.