| article html file updated | 31 August 2025 11:13 CEST | Update | https://www.mdpi.com/2311-7524/6/1/13 |
| article html file updated | 20 July 2022 19:44 CEST | Update | - |
| article html file updated | 13 March 2020 11:11 CET | Original file | - |
| article pdf uploaded. | 13 March 2020 11:10 CET | Updated version of record | https://www.mdpi.com/2311-7524/6/1/13/pdf |
| article xml uploaded. | 13 March 2020 11:10 CET | Update | https://www.mdpi.com/2311-7524/6/1/13/xml |
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| article pdf uploaded. | 10 February 2020 12:27 CET | Version of Record | https://www.mdpi.com/2311-7524/6/1/13/pdf-vor |
| article xml file uploaded | 10 February 2020 12:27 CET | Original file | - |
