| article html file updated | 31 August 2025 17:27 CEST | Update | https://www.mdpi.com/1999-5903/12/4/67 |
| article html file updated | 21 July 2022 01:55 CEST | Update | - |
| article html file updated | 15 April 2020 11:42 CEST | Original file | - |
| article pdf uploaded. | 15 April 2020 11:40 CEST | Version of Record | https://www.mdpi.com/1999-5903/12/4/67/pdf |
| article xml uploaded. | 15 April 2020 11:40 CEST | Update | https://www.mdpi.com/1999-5903/12/4/67/xml |
| article xml file uploaded | 15 April 2020 11:40 CEST | Original file | - |
