| article html file updated | 1 September 2025 00:23 CEST | Update | https://www.mdpi.com/2304-8158/9/6/820 |
| article html file updated | 21 July 2022 21:41 CEST | Update | - |
| article html file updated | 9 October 2020 09:09 CEST | Update | - |
| article html file updated | 6 July 2020 06:50 CEST | Update | - |
| article html file updated | 24 June 2020 15:15 CEST | Original file | - |
| article pdf uploaded. | 24 June 2020 15:14 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/820/pdf |
| article xml uploaded. | 24 June 2020 15:14 CEST | Update | https://www.mdpi.com/2304-8158/9/6/820/xml |
| article xml file uploaded | 24 June 2020 15:14 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 13:39 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/820/pdf-vor |
