1. Universidad de Ingenieria y Tecnologia - UTEC,Dept. of Mechatronics Engineering and Mechanical Engineering,Lima,Peru
2. Universidad de Ingenieria y Tecnologia - UTEC, Universidad de Ingenieria y Tecnologia,Research Center in Bioengineering,Dept. of Mechanical Engineering,Lima,Peru
3. Universidad Nacional de Trujillo,Dept. of Mechanical Engineering,Trujillo,Peru
4. MIT,Dept. of Mechanical Engineering,Massachusetts,United States