1. Bioinspired Soft Robotics Lab Istituto Italiano di Tecnologia Via Morego 30 16163 Genova Italy
2. Division of Integrative Systems and Design The Hong Kong University of Science and Technology Clear Water Bay Kowloon 999077 Hong Kong China
3. Plant Biomechanics Group @ Botanic Garden University of Freiburg Schänzlestraße 1 D-79104 Freiburg Germany
4. Freiburg Materials Research Center (FMF) University of Freiburg Stefan-Meier-Straße 21 D-79104 Freiburg Germany
5. Department of Engineering for Innovation Medicine Section of Engineering and Physics University of Verona Strada le Grazie 15 37134 Verona Italy
6. Cluster of Excellence livMatS @ FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies University of Freiburg Georges-Köhler-Allee 105 D-79110 Freiburg Germany