| article html file updated | 16 August 2026 23:30 CEST | Update | https://www.mdpi.com/1999-4923/12/1/55 |
| article html file updated | 31 August 2025 08:36 CEST | Update | N/A |
| 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 12:35 CET | Update | N/A |
| article html file updated | 21 January 2020 12:20 CET | Original file | N/A |
| article pdf uploaded. | 21 January 2020 12:19 CET | Updated version of record | https://www.mdpi.com/1999-4923/12/1/55/pdf |
| article xml uploaded. | 21 January 2020 12:19 CET | Update | https://www.mdpi.com/1999-4923/12/1/55/xml |
| article xml file uploaded | 21 January 2020 12:19 CET | Update | N/A |
| article pdf uploaded. | 9 January 2020 15:29 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/55/pdf-vor |
| article xml file uploaded | 9 January 2020 15:29 CET | Original file | N/A |
