| article html file updated | 1 September 2025 00:21 CEST | Update | https://www.mdpi.com/2304-8158/9/6/819 |
| article html file updated | 21 July 2022 21:39 CEST | Update | - |
| article html file updated | 6 July 2020 06:50 CEST | Update | - |
| article html file updated | 22 June 2020 17:15 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 17:03 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/819/pdf |
| article xml uploaded. | 22 June 2020 17:03 CEST | Update | https://www.mdpi.com/2304-8158/9/6/819/xml |
| article xml file uploaded | 22 June 2020 17:03 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 12:00 CEST | Updated version of record | - |
