Betancur, Juan-Felipe
Navarro, Erika-Paola
Echeverry, Alex
Moncada, Pablo A.
Cañas, Carlos A.
Tobón, Gabriel J.
Article History
Received: 18 June 2015
Revised: 10 July 2015
Accepted: 23 July 2015
First Online: 2 August 2015
Free to read: This content has been made available to all.