| article html file updated | 31 August 2025 08:36 CEST | Update | https://www.mdpi.com/1999-4915/12/1/81 |
| article html file updated | 19 July 2022 19:44 CEST | Update | - |
| article html file updated | 15 February 2020 01:31 CET | Update | - |
| article html file updated | 6 February 2020 23:21 CET | Update | - |
| article html file updated | 22 January 2020 14:27 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 14:25 CET | Updated version of record | https://www.mdpi.com/1999-4915/12/1/81/pdf |
| article xml uploaded. | 22 January 2020 14:25 CET | Update | https://www.mdpi.com/1999-4915/12/1/81/xml |
| article xml file uploaded | 22 January 2020 14:25 CET | Update | - |
| article pdf uploaded. | 9 January 2020 14:51 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/81/pdf-vor |
| article xml file uploaded | 9 January 2020 14:51 CET | Original file | - |
