| article html file updated | 17 August 2026 00:02 CEST | Update | https://www.mdpi.com/1999-4923/12/1/69 |
| article html file updated | 31 August 2025 09:06 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:37 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:15 CET | Update | N/A |
| article html file updated | 5 February 2020 12:39 CET | Update | N/A |
| article html file updated | 22 January 2020 12:56 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2020 12:55 CET | Updated version of record | https://www.mdpi.com/1999-4923/12/1/69/pdf |
| article xml uploaded. | 22 January 2020 12:55 CET | Update | https://www.mdpi.com/1999-4923/12/1/69/xml |
| article xml file uploaded | 22 January 2020 12:55 CET | Update | N/A |
| article pdf uploaded. | 15 January 2020 17:08 CET | Version of Record | https://www.mdpi.com/1999-4923/12/1/69/pdf-vor |
| article xml file uploaded | 15 January 2020 17:08 CET | Original file | N/A |
