label: Determine type of ECMO needed (i.e., using a vein and an artery [VA ECMO] for problems with both heart and lungs, or using one or more veins near heart [VV ECMO] for problems only in lungs)
label_lc: determine type of ecmo needed (i.e., using a vein and an artery [va ecmo] for problems with both heart and lungs, or using one or more veins near heart [vv ecmo] for problems only in lungs)