| article html file updated | 16 August 2026 23:16 CEST | Update | https://www.mdpi.com/2073-4409/9/1/139 |
| article html file updated | 24 December 2025 17:00 CET | Update | N/A |
| article html file updated | 31 August 2025 08:24 CEST | Update | N/A |
| article html file updated | 19 July 2022 19:55 CEST | Update | N/A |
| article html file updated | 15 February 2020 00:51 CET | Update | N/A |
| article html file updated | 6 February 2020 19:43 CET | Update | N/A |
| article html file updated | 22 January 2020 04:34 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2020 04:32 CET | Updated version of record | https://www.mdpi.com/2073-4409/9/1/139/pdf |
| article xml uploaded. | 22 January 2020 04:32 CET | Update | https://www.mdpi.com/2073-4409/9/1/139/xml |
| article xml file uploaded | 22 January 2020 04:32 CET | Update | N/A |
| article pdf uploaded. | 7 January 2020 12:32 CET | Version of Record | https://www.mdpi.com/2073-4409/9/1/139/pdf-vor |
| article xml file uploaded | 7 January 2020 12:32 CET | Original file | N/A |
