| article html file updated | 31 August 2025 11:40 CEST | Update | https://www.mdpi.com/1999-5903/12/2/38 |
| article html file updated | 20 July 2022 20:11 CEST | Update | N/A |
| article html file updated | 15 February 2020 09:40 CET | Update | N/A |
| article html file updated | 14 February 2020 12:09 CET | Original file | N/A |
| article pdf uploaded. | 14 February 2020 12:07 CET | Version of Record | https://www.mdpi.com/1999-5903/12/2/38/pdf |
| article xml uploaded. | 14 February 2020 12:07 CET | Update | https://www.mdpi.com/1999-5903/12/2/38/xml |
| article xml file uploaded | 14 February 2020 12:07 CET | Original file | N/A |
