Before revision: The Wako-Sait\^o-Mu\~noz-Eaton } (WSME) model  initially introduced in the theory of protein folding can also model some epitaxial phenomena.
After revision: The Wako-Sait\^o-Mu\~noz-Eaton } (WSME) model initially introduced in the theory of protein folding , has also been used in modeling the RNA folding and some epitaxial phenomena.