1. ATLAS Collaboration: G Aad et al, Phys. Lett. B 716, 1 (2012) CMS Collaboration: S Chatrchyan et al, Phys. Lett. B 716, 30 (2012)
2. D Buttazzo, G Degrassi, P P Giardino, G F Giudice, F Sala, A Salvio and A Strumia, J. High Energy Phys. 1312, 089 (2013)
3. J C Pati and A Salam, Phys. Rev. Lett. 31, 661 (1973); Phys. Rev. D 10, 275 (1974)
4. H Georgi and S L Glashow, Phys. Rev. Lett. 32, 438 (1974) H Georgi, H R Quinn and S Weinberg, Phys. Rev. Lett. 33, 451 (1974)
5. Z Tavartkiladze, Phys. Rev. D 90(1), 015022 (2014) [5a] Thus degeneracies between quark and lepton masses are avoided without invoking additional mechanisms [6]