| article html file updated | 31 August 2025 11:28 CEST | Update | https://www.mdpi.com/1999-5903/12/2/33 |
| article html file updated | 20 July 2022 20:00 CEST | Update | - |
| article html file updated | 28 February 2020 10:27 CET | Original file | - |
| article pdf uploaded. | 28 February 2020 10:26 CET | Updated version of record | https://www.mdpi.com/1999-5903/12/2/33/pdf |
| article xml uploaded. | 28 February 2020 10:26 CET | Update | https://www.mdpi.com/1999-5903/12/2/33/xml |
| article xml file uploaded | 28 February 2020 10:26 CET | Update | - |
| article pdf uploaded. | 12 February 2020 14:44 CET | Version of Record | https://www.mdpi.com/1999-5903/12/2/33/pdf-vor |
| article xml file uploaded | 12 February 2020 14:44 CET | Original file | - |
