1 “... scientific evidence appropriate for each question. Search Medline and other suitable databases containing...”

2 “... scientific evidence appropriate for each question. Search Medline and other suitable databases containing...”

3 “... for each question. Search MEDLINE and other suitable databases containing primary studies and review...”

4 “... for each question. Search MEDLINE and other suitable databases containing primary studies and review...”

5 “... trial doing so. Consequently, a full systematic review of the current literature cannot answer questions...”

6 “..., developed five Key Questions to be addressed. These questions are as follows: 1. Do freestanding cardiac...”

7 “..., developed five Key Questions to be addressed. These questions are as follows: 1. Do freestanding cardiac...”