| article html file updated | 31 August 2025 08:22 CEST | Update | https://www.mdpi.com/1999-4915/12/1/69 |
| article html file updated | 19 July 2022 19:57 CEST | Update | - |
| article html file updated | 15 February 2020 00:42 CET | Update | - |
| article html file updated | 6 February 2020 23:18 CET | Update | - |
| article html file updated | 21 January 2020 12:01 CET | Original file | - |
| article pdf uploaded. | 21 January 2020 11:58 CET | Updated version of record | https://www.mdpi.com/1999-4915/12/1/69/pdf |
| article xml uploaded. | 21 January 2020 11:58 CET | Update | https://www.mdpi.com/1999-4915/12/1/69/xml |
| article xml file uploaded | 21 January 2020 11:58 CET | Update | - |
| article pdf uploaded. | 7 January 2020 10:44 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/69/pdf-vor |
| article xml file uploaded | 7 January 2020 10:44 CET | Original file | - |
