1 %%%% Nf=2
   2 %%%% FLAG collaboration tag: ETM 09G
   3 @article{Feng:2009ij,
   4     author = "Feng, Xu and Jansen, Karl and Renner, Dru B.",
   5     title = "{The pi+ pi+ scattering length from maximally twisted mass lattice QCD}",
   6     eprint = "0909.3255",
   7     archivePrefix = "arXiv",
   8     primaryClass = "hep-lat",
   9     reportNumber = "DESY-09-141, SFB-CPP-09-82, MS-TP-09-17",
  10     doi = "10.1016/j.physletb.2010.01.018",
  11     journal = "Phys. Lett. B",
  12     volume = "684",
  13     pages = "268--274",
  14     year = "2010"
  15 }
  16 
  17 %%%% Nf=2+1+1
  18 %%%% FLAG collaboration tag: none
  19 {
  20   "message": "The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.", 
  21   "status": 404
  22 }
  23 
  24 %%%% FLAG collaboration tag: ETM 15E
  25 @article{ETM:2015bzg,
  26     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.",
  27     collaboration = "ETM",
  28     title = "{Hadron-hadron interactions from N$_{f}$ = 2 + 1 + 1 lattice QCD: isospin-2 \ensuremath{\pi}\ensuremath{\pi} scattering length}",
  29     eprint = "1506.00408",
  30     archivePrefix = "arXiv",
  31     primaryClass = "hep-lat",
  32     doi = "10.1007/JHEP09(2015)109",
  33     journal = "JHEP",
  34     volume = "09",
  35     pages = "109",
  36     year = "2015"
  37 }