Complex sentence: The epigenetic clock was developed by Steve Horvath, a professor of human genetics at the David Geffen School of Medicine at UCLA and of biostatistics at the UCLA Fielding School of Public Health was published on Oct 21,2013 in Genome Biology.
Split into simpler sentences: The epigenetic clock was developed by Steve Horvath, a professor of human genetics at the David Geffen School of Medicine at UCLA and of biostatistics at the UCLA Fielding School of Public Health. The scientific article was first published on Oct 21,2013 in Genome Biology.