Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: J.O.G.K. and P.J. are founders of PledPharma AB.; J.O.G.K. is a former employee of PledPharma; P.J. is a former scientific advisors to PledPharma; J.O.G.K. is the first inventor on three granted patent families (e.g., US8377969, US8633174, US9187509 and US10688087) covering the therapeutic use of calmangafodipir [Ca(4)Mn(DPDP)(5)], which are owned by PledPharma/Egetis; J.O.G.K. and P.J. are, furthermore, inventors on a granted patent family (e.g., US10888553) covering the therapeutic use of fodipir (DPDP) to treat platinum-induced peripheral sensory neuropathy, which is owned by Karlsson-Tuner Invest AS; P.J. is scientific advisor to and owns shares in IC Targets AS, a company developing mangafodipir (MnDPDP) as a contrast agent for MRI..