Corrigendum: Diatom Transcriptional and Physiological Responses to Changes in Iron Bioavailability across Ocean Provinces - Cohen, Natalie R.; Ellis, Kelsey A.; Lampe, Robert H.; McNair, Heather; Twining, Benjamin S.; Maldonado, Maria T.; Brzezinski, Mark A.; Kuzminov, Fedor I.; Thamatrakoln, Kimberlee; Till, Claire P.; Bruland, Kenneth W.; Sunda, William G.; et al. (Frontiers in Marine Science, 2018)