The most cost-effective way to find the best cosmetic doctor, a mathematical proof

Cheuk Hung Lee, MBBS (HK), FHKAM (MED), FHKCP, MScPD (Cardiff), MRCP (UK), DPD (Wales), DipDerm (Glasgow), PGDipClinDerm (London), MRCP (London), GradDipDerm (NUS), DipMed (CUHK), Kar Wai Alvin Lee, MBChB (CUHK), DCH (Sydney), Dip Derm (Glasgow), MScClinDerm (Cardiff), MScPD (Cardiff), DipMed (CUHK), DCH (Sydney), Kwin Wah Lisa Chan, MBChB (CUHK), MScPD (Cardiff), PgDipPD (Cardiff), PGDipClinDerm (Lond), DipMed (CUHK), DCH (Sydney). J Cosmet Med 2025;9:22-8. https://doi.org/10.25056/JCM.2025.9.1.22