| article html file updated | 31 August 2025 08:58 CEST | Update | https://www.mdpi.com/1999-5903/12/1/13 |
| article html file updated | 20 July 2022 17:30 CEST | Update | N/A |
| article html file updated | 15 February 2020 02:50 CET | Update | N/A |
| article html file updated | 21 January 2020 13:23 CET | Original file | N/A |
| article pdf uploaded. | 21 January 2020 13:21 CET | Updated version of record | https://www.mdpi.com/1999-5903/12/1/13/pdf |
| article xml uploaded. | 21 January 2020 13:21 CET | Update | https://www.mdpi.com/1999-5903/12/1/13/xml |
| article xml file uploaded | 21 January 2020 13:21 CET | Update | N/A |
| article pdf uploaded. | 14 January 2020 14:46 CET | Version of Record | https://www.mdpi.com/1999-5903/12/1/13/pdf-vor |
| article xml file uploaded | 14 January 2020 14:46 CET | Original file | N/A |
