Additional file 1. Supplementary appendix to “International virtual confidential reviews of infection-related maternal deaths and near-miss in 11 low- and middle-income countries – Case report series and suggested actions. Study forms used for data collection and during the external review meetings. Results of a baseline assessment of maternal death review (MDR) committees and practices in participating GLOSS facilities. Additional information on the causes of deaths and distribution of modifiable factors described in this study.