Smart cities in perspective – a comparative European study by means of self-organizing maps

100 Improving effect of vitamin D supplementation on obesity-related diabetes in rats. 100 Handbook on the Physics and Chemistry of Rare Earths, Vol. 1: Metals 100 Geometric Function Theory and Related Topics 40 Observation of robust macroscale structural superlubricity 20 Rational Engineering of a Mitochondrial-Mimetic Therapy for Targeted Treatment of Dilated Cardiomyopathy by Precisely Regulating Mitochondrial Homeostasis 10 Direct regeneration of spent lithium-ion batteries: A mini-review 10 Targeted inhibition of FBXL2 confers susceptibility of HER2-negative breast cancer to trastuzumab deruxtecan. 10 Artificial intelligence and computer-aided diagnosis in diagnostic decisions: 5 questions for medical informatics and human-computer interface research. 20 How to read radiographs according to the Sharp/van der Heijde method. 10 A study on the different representations and performance profiles on fractions as operators in primary education