Supporting files for the paper, "Devices and furniture for small and sick newborn care: systematic development of a planning and costing tool". This includes an (1) adapted ISPOR Criteria for Cost(-Effectiveness) Review Outcome (CiCERO) checklist, (2) Review on planning and costing tools, (3) Review on type and quantity of neonatal devices, and (4) ABC planning and costing tool for ward furniture and neonatal devices.