| article html file updated | 31 August 2025 00:23 CEST | Update | https://www.mdpi.com/2079-6412/9/9/539 |
| article html file updated | 20 July 2022 04:42 CEST | Update | N/A |
| article html file updated | 13 February 2020 12:09 CET | Update | N/A |
| article html file updated | 26 September 2019 06:38 CEST | Update | N/A |
| article html file updated | 3 September 2019 04:36 CEST | Update | N/A |
| article pdf uploaded. | 3 September 2019 04:35 CEST | Updated version of record | https://www.mdpi.com/2079-6412/9/9/539/pdf |
| article xml uploaded. | 3 September 2019 04:35 CEST | Update | https://www.mdpi.com/2079-6412/9/9/539/xml |
| article xml file uploaded | 3 September 2019 04:35 CEST | Update | N/A |
| article html file updated | 29 August 2019 12:44 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2019 12:43 CEST | Updated version of record | https://www.mdpi.com/2079-6412/9/9/539/pdf-vor |
| article xml uploaded. | 29 August 2019 12:43 CEST | Update | N/A |
| article xml file uploaded | 29 August 2019 12:43 CEST | Update | N/A |
| article pdf uploaded. | 23 August 2019 15:27 CEST | Version of Record | https://www.mdpi.com/2079-6412/9/9/539/pdf-vor |
| article xml file uploaded | 23 August 2019 15:26 CEST | Original file | N/A |
