Table S1. Search strategy.
# Database Algorithm
1 PubMed (((“Breast cancer” [Title/Abstract]) OR (“Breast Neoplasm” [Title/Abstract])) AND ((“Overweight” [Title/Abstract]) OR (“Obese” [Title/Abstract]))) AND ((“Exercise” [Title/Abstract]) OR (“Training” [Title/Abstract]))
2 Scopus TITLE- ABS(“Breast cancer” OR “Breast Neoplasm”) AND TITLE- ABS(“Overweight” OR “Obese”) AND TITLE- ABS(“Exercise” OR “Training”)
3 Google Scholar allintitle(“Breast cancer” OR “Breast Neoplasm”) (“Overweight” OR “Obese”) (“Exercise” OR “Training”)
4 Cochrane Library (“Breast cancer” OR “Breast Neoplasm”) (“Overweight” OR “Obese”) (“Exercise” OR “Training”)
5 Web of Science

((ALL=(“Breast cancer”))) OR ALL=(“Breast Neoplasm”)
(ALL=(“Obese”)) OR ALL=(“Overweight”)
(ALL=(“Exercise”)) OR ALL=(“Training”)
#1AND#2AND#3

6 Science Direct (“Breast cancer” OR “Breast Neoplasm”) (“Overweight” OR “Obese”) (“Exercise” OR “Training”)