On universality of scaling law describing roughness of triple line Edward Bormashenko, Albina Musin, Gene Whyman, Zahava Barkay and Michael Zinigrad Eur. Phys. J. E, 38 1 (2015) 2 Published online: 28 January 2015 DOI: 10.1140/epje/i2015-15002-y