| article html file updated | 31 August 2025 16:40 CEST | Update | https://www.mdpi.com/2304-8158/9/4/448 |
| article html file updated | 21 July 2022 01:10 CEST | Update | - |
| article html file updated | 8 October 2020 20:37 CEST | Update | - |
| article html file updated | 9 April 2020 14:41 CEST | Original file | - |
| article pdf uploaded. | 9 April 2020 14:40 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/448/pdf |
| article xml uploaded. | 9 April 2020 14:40 CEST | Update | https://www.mdpi.com/2304-8158/9/4/448/xml |
| article xml file uploaded | 9 April 2020 14:40 CEST | Update | - |
| article pdf uploaded. | 7 April 2020 11:44 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/448/pdf-vor |
| article xml file uploaded | 7 April 2020 11:44 CEST | Original file | - |
