Journal of Sensor and Actuator Networks Article How to Develop IoT Cloud e-Health Systems Based on FIWARE: A Lesson Learnt Antonio Celesti 1,2,*, Maria Fazio 1,3, Fermín Galán Márquez 4, Alex Glikson 5, Hope Mauwa 6, Antoine Bagula 6, Fabrizio Celesti 7 and Massimo Villari 1,3 1...