| article html file updated | 24 December 2025 16:59 CET | Update | https://www.mdpi.com/2076-3921/9/1/52 |
| article html file updated | 31 August 2025 08:23 CEST | Update | N/A |
| article html file updated | 19 July 2022 19:56 CEST | Update | N/A |
| article html file updated | 15 February 2020 00:48 CET | Update | N/A |
| article html file updated | 7 February 2020 14:23 CET | Update | N/A |
| article html file updated | 22 January 2020 06:58 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2020 06:57 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/1/52/pdf |
| article xml uploaded. | 22 January 2020 06:57 CET | Update | https://www.mdpi.com/2076-3921/9/1/52/xml |
| article xml file uploaded | 22 January 2020 06:57 CET | Update | N/A |
| article pdf uploaded. | 7 January 2020 11:59 CET | Version of Record | https://www.mdpi.com/2076-3921/9/1/52/pdf-vor |
| article xml file uploaded | 7 January 2020 11:59 CET | Original file | N/A |
