| article html file updated | 31 August 2025 23:25 CEST | Update | https://www.mdpi.com/1999-4915/12/6/639 |
| article html file updated | 21 August 2025 23:54 CEST | Update | - |
| article html file updated | 21 July 2022 20:40 CEST | Update | - |
| article html file updated | 29 June 2020 15:29 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 15:27 CEST | Updated version of record | https://www.mdpi.com/1999-4915/12/6/639/pdf |
| article xml uploaded. | 29 June 2020 15:27 CEST | Update | https://www.mdpi.com/1999-4915/12/6/639/xml |
| article xml file uploaded | 29 June 2020 15:27 CEST | Original file | - |
| article pdf uploaded. | 12 June 2020 10:41 CEST | Updated version of record | https://www.mdpi.com/1999-4915/12/6/639/pdf-vor |
| article pdf uploaded. | 12 June 2020 10:41 CEST | Version of Record | https://www.mdpi.com/1999-4915/12/6/639/pdf-vor |