1 %%%% Nf=2+1+1
   2 %%%% FLAG collaboration tag: ETM 15E
   3 @article{ETM:2015bzg,
   4     author = "Helmes, C. and Jost, C. and Knippschild, B. and Liu, C. and Liu, J. and Liu, L. and Urbach, C. and Ueding, M. and Wang, Z. and Werner, M.",
   5     collaboration = "ETM",
   6     title = "{Hadron-hadron interactions from N$_{f}$ = 2 + 1 + 1 lattice QCD: isospin-2 \ensuremath{\pi}\ensuremath{\pi} scattering length}",
   7     eprint = "1506.00408",
   8     archivePrefix = "arXiv",
   9     primaryClass = "hep-lat",
  10     doi = "10.1007/JHEP09(2015)109",
  11     journal = "JHEP",
  12     volume = "09",
  13     pages = "109",
  14     year = "2015"
  15 }
  16 
  17 %%%% Nf=2
  18 %%%% FLAG collaboration tag: ETM 09G
  19 @article{Feng:2009ij,
  20     author = "Feng, Xu and Jansen, Karl and Renner, Dru B.",
  21     title = "{The pi+ pi+ scattering length from maximally twisted mass lattice QCD}",
  22     eprint = "0909.3255",
  23     archivePrefix = "arXiv",
  24     primaryClass = "hep-lat",
  25     reportNumber = "DESY-09-141, SFB-CPP-09-82, MS-TP-09-17",
  26     doi = "10.1016/j.physletb.2010.01.018",
  27     journal = "Phys. Lett. B",
  28     volume = "684",
  29     pages = "268--274",
  30     year = "2010"
  31 }