1. Key
Laboratory of Farm Animal Genetic Resources and Germplasm Innovation
of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
2. Max Planck Institute for Molecular Biomedicine, Röntgenstraße 20, 48149 Münster, Germany
3. Max Planck Institute for Molecular Biomedicine, Bioanalytical Mass Spectrometry Facility, Röntgenstraße 20, 48149 Münster, Germany
4. Institute
for Biostatistics and Informatics in Medicine and Ageing Research, Rostock University Medical Center, 18057 Rostock, Germany