| article html file updated | 31 August 2025 17:59 CEST | Update | https://www.mdpi.com/2304-8158/9/4/517 |
| article html file updated | 21 July 2022 02:27 CEST | Update | - |
| article html file updated | 26 April 2020 14:03 CEST | Original file | - |
| article pdf uploaded. | 26 April 2020 14:02 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/517/pdf |
| article xml uploaded. | 26 April 2020 14:02 CEST | Update | https://www.mdpi.com/2304-8158/9/4/517/xml |
| article xml file uploaded | 26 April 2020 14:02 CEST | Update | - |
| article pdf uploaded. | 20 April 2020 12:06 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/517/pdf-vor |
| article xml file uploaded | 20 April 2020 12:06 CEST | Original file | - |
