Sure, but all we know is that these "13 have a master’s degree (and are currently enroled in Ph.D. studies)". We only know they have at least "2 years of experi

Sure, but all we know is that these "13 have a master’s degree (and are currently enroled in Ph.D. studies)". We only know they have at least "2 years of experience in chemistry after their first university-level course in chemistry." How does that qualify them as "domain experts"? What domain is their expertise? All of chemistry?