| article html file updated | 31 August 2025 06:30 CEST | Update | https://www.mdpi.com/1999-5903/11/12/261 |
| article html file updated | 19 July 2022 21:45 CEST | Update | - |
| article html file updated | 14 February 2020 18:30 CET | Update | - |
| article html file updated | 31 December 2019 15:42 CET | Update | - |
| article html file updated | 13 December 2019 11:55 CET | Original file | - |
| article pdf uploaded. | 13 December 2019 11:54 CET | Version of Record | https://www.mdpi.com/1999-5903/11/12/261/pdf |
| article xml uploaded. | 13 December 2019 11:54 CET | Update | https://www.mdpi.com/1999-5903/11/12/261/xml |
| article xml file uploaded | 13 December 2019 11:54 CET | Original file | - |
