| article html file updated | 31 August 2025 22:59 CEST | Update | https://www.mdpi.com/1999-4893/13/6/137 |
| article html file updated | 21 July 2022 20:13 CEST | Update | N/A |
| article html file updated | 14 June 2020 13:36 CEST | Update | N/A |
| article pdf uploaded. | 14 June 2020 13:34 CEST | Updated version of record | https://www.mdpi.com/1999-4893/13/6/137/pdf |
| article xml uploaded. | 14 June 2020 13:34 CEST | Update | https://www.mdpi.com/1999-4893/13/6/137/xml |
| article xml file uploaded | 14 June 2020 13:34 CEST | Update | N/A |
| article html file updated | 8 June 2020 13:49 CEST | Original file | N/A |
| article pdf uploaded. | 8 June 2020 13:47 CEST | Version of Record | https://www.mdpi.com/1999-4893/13/6/137/pdf-vor |
| article xml file uploaded | 8 June 2020 13:47 CEST | Original file | N/A |
