| article html file updated | 31 August 2025 08:36 CEST | Update | https://www.mdpi.com/1999-4923/12/1/56 |
| article html file updated | 19 July 2022 19:43 CEST | Update | N/A |
| article html file updated | 15 February 2020 01:33 CET | Update | N/A |
| article html file updated | 5 February 2020 12:36 CET | Update | N/A |
| article html file updated | 21 January 2020 10:40 CET | Original file | N/A |
| article pdf uploaded. | 21 January 2020 10:35 CET | Updated version of record | https://www.mdpi.com/1999-4923/12/1/56/pdf |
| article xml uploaded. | 21 January 2020 10:35 CET | Update | https://www.mdpi.com/1999-4923/12/1/56/xml |
| article xml file uploaded | 21 January 2020 10:35 CET | Update | N/A |
| article pdf uploaded. | 9 January 2020 15:30 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/56/pdf-vor |
| article xml file uploaded | 9 January 2020 15:30 CET | Original file | N/A |
