42 Software development, programming and implementation; hosting services of computer websites, software as a service (SaaS) services featuring software for self-efficacy, patient empowerment and monitoring via tools, namely, medication tracking, lab and vital data documentation, remote monitoring, telemedicine, nutritional coaching, patient education, therapy documentation and patient-centered self-diagnostics for chronic kidney disease, dialysis patients, transplant recipients, patient relatives, and medical professionals, doctors, nephrologists, dialysis nurses and dialysis technicians, and rental of software for self-efficacy, patient empowerment and monitoring via tools, namely, medication tracking, lab and vital data documentation, remote monitoring, telemedicine, nutritional coaching, patient education, therapy documentation and patient-centered self-diagnostics for chronic kidney disease, dialysis patients, transplant recipients, patient relatives, and medical professionals, doctors, nephrologists, dialysis nurses and dialysis technicians; IT consultancy, advisory and information services relating to installation, maintenance and repair of computer software; medical research and pharmacological research services; clinical research for others in the field of chronic kidney disease; conducting of scientific studies for others in the field of chronic kidney disease