If highly qualified technical personnel or scientific personnel contribute with their scientific knowledge to solve the scientific questions, they should be co-authors according to the "ICMJE Uniform Requirements for Manuscripts Submitted to Biomedical Journals concerning Authorship and Contributor ship".
Use of instruments and assisted use of instruments in well-known methods and performed by technical staff, is not enough to require co-authorship.
The core facility should be mentioned in the acknowledgements when data acquired at a core facility is submitted for publishing. Please use one or more of the following sentence:
" The "XXX work/service" was provided by the Comparative medicine Core Facility (CoMed), Norwegian University of Science and Technology (NTNU). CoMed is funded by the Faculty of Medicine at NTNU and Central Norway Regional Health Authority.”