| article html file updated | 1 September 2025 15:52 CEST | Update | https://www.mdpi.com/2304-8158/9/12/1857 |
| article html file updated | 23 July 2022 04:53 CEST | Update | - |
| article html file updated | 13 December 2020 06:56 CET | Original file | - |
| article pdf uploaded. | 13 December 2020 06:54 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/12/1857/pdf |
| article xml uploaded. | 13 December 2020 06:54 CET | Update | https://www.mdpi.com/2304-8158/9/12/1857/xml |
| article xml file uploaded | 13 December 2020 06:54 CET | Original file | - |
| article pdf uploaded. | 12 December 2020 12:16 CET | Version of Record | https://www.mdpi.com/2304-8158/9/12/1857/pdf-vor |
