preferred_name: Doctorate (e.g., PhD, EdD) or Professional degree (e.g., MD, DDS, DVM, LLB, JD)
preferred_name_lc: doctorate (e.g., phd, edd) or professional degree (e.g., md, dds, dvm, llb, jd)
label: Doctorate (e.g., PhD, EdD) or Professional degree (e.g., MD, DDS, DVM, LLB, JD)
label_lc: doctorate (e.g., phd, edd) or professional degree (e.g., md, dds, dvm, llb, jd)