preferred_name: Gain of at least 1+ lb (0.5 kg) per week for 3 or more weeks or 4 lbs (2 kg) in less than 3 weeks
preferred_name_lc: gain of at least 1+ lb (0.5 kg) per week for 3 or more weeks or 4 lbs (2 kg) in less than 3 weeks
label: Gain of at least 1+ lb (0.5 kg) per week for 3 or more weeks or 4 lbs (2 kg) in less than 3 weeks
label_lc: gain of at least 1+ lb (0.5 kg) per week for 3 or more weeks or 4 lbs (2 kg) in less than 3 weeks