Authors’ contributions
RECRUITMENT
BS, UA and JH conceptualized the PIKKO study. NS and UA developed the design of this supplementary survey and data collection. CK, FB, NS, SR, and UA were involved in patient recruitment, study conduct, and data collection. NS and UA analyzed the data of this supplementary survey. CK, FB, NS, SR, and UA interpreted the study data. NS wrote the basic version of this publication and prepared Figs. 1 and 2. BS, CK, FB and UA completed and corrected the manuscript. All authors read and approved the final manuscript.