| article html file updated | 31 August 2025 16:05 CEST | Update | https://www.mdpi.com/2073-8994/12/4/503 |
| article html file updated | 21 July 2022 00:34 CEST | Update | - |
| article html file updated | 3 April 2020 04:50 CEST | Update | - |
| article pdf uploaded. | 3 April 2020 04:48 CEST | Updated version of record | https://www.mdpi.com/2073-8994/12/4/503/pdf |
| article xml uploaded. | 3 April 2020 04:48 CEST | Update | https://www.mdpi.com/2073-8994/12/4/503/xml |
| article xml file uploaded | 3 April 2020 04:48 CEST | Update | - |
| article html file updated | 2 April 2020 07:06 CEST | Original file | - |
| article pdf uploaded. | 1 April 2020 11:15 CEST | Version of Record | https://www.mdpi.com/2073-8994/12/4/503/pdf-vor |
| article xml file uploaded | 1 April 2020 11:15 CEST | Original file | - |
