Financial & competing interests disclosure
Adele C Green has received funding from L’Oreal Recherche in the past. Peter Baade is supported by an NHMRC Career Development Fellowship (1005334). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.