To cite 'mets' in publications use:

Klaus K. Holst and Thomas H. Scheike and Jacob B. Hjelmborg (2016). The Liability Threshold Model for Censored Twin Data. Computational Statistics and Data Analysis 93, pp. 324-335.<doi:10.1016/j.csda.2015.01.014>

Thomas H. Scheike and Klaus K. Holst and Jacob B. Hjelmborg (2014). Estimating heritability for cause specific mortality based on twin studies. Lifetime Data Analysis 20 (2), pp. 210-233.<doi:10.1007/s10985-013-9244-x>

Corresponding BibTeX entries:

  @Article{,
    title = {The Liability Threshold Model for Censored Twin Data},
    author = {Klaus K. Holst and Thomas H. Scheike and Jacob B.
      Hjelmborg},
    year = {2016},
    volume = {93},
    pages = {324-335},
    journal = {Computational Statistics and Data Analysis},
    doi = {10.1016/j.csda.2015.01.014},
  }
  @Article{,
    title = {Estimating heritability for cause specific mortality based
      on twin studies},
    author = {Thomas H. Scheike and Klaus K. Holst and Jacob B.
      Hjelmborg},
    year = {2014},
    volume = {20},
    number = {2},
    pages = {210-233},
    journal = {Lifetime Data Analysis},
    doi = {10.1007/s10985-013-9244-x},
  }