| article html file updated | 31 August 2025 15:23 CEST | Update | https://www.mdpi.com/2218-6581/9/1/19 |
| article html file updated | 20 July 2022 23:53 CEST | Update | - |
| article html file updated | 2 April 2020 14:37 CEST | Update | - |
| article html file updated | 26 March 2020 13:38 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 13:36 CET | Updated version of record | https://www.mdpi.com/2218-6581/9/1/19/pdf |
| article xml uploaded. | 26 March 2020 13:36 CET | Update | https://www.mdpi.com/2218-6581/9/1/19/xml |
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| article pdf uploaded. | 24 March 2020 15:35 CET | Version of Record | https://www.mdpi.com/2218-6581/9/1/19/pdf-vor |
| article xml file uploaded | 24 March 2020 15:35 CET | Original file | - |
