Limitations
Our results have limitations to be considered. Although the survey was sent using the LAHRS database, it is possible that several practitioners from high volume centers failed to answer the survey. Additionally, since the survey was sent in English, this could have also limited the number of possible physicians willing to answer the survey. This could have reduced the number of answers received. Finally, most answers were received from Colombia and Brazil (66.7% of total answers), and as such other countries may be under-represented even though this type of procedures are known to be performed.