Development and Evaluation of an Intuitive Flexible Interface for Teleoperating Soft Growing Robots. - Haitham El-Hussieny; Usman Mehmood; Syed Zain Mehdi; Sang-Goo Jeong; Muhammad Usman; Elliot Wright Hawkes; Allison M. Okarnura; Jee-Hwan Ryu (IROS, 2018)