| article html file updated | 17 August 2026 00:16 CEST | Update | https://www.mdpi.com/2073-4409/9/1/239 |
| article html file updated | 24 December 2025 17:08 CET | Update | N/A |
| article html file updated | 31 August 2025 09:18 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:49 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:56 CET | Update | N/A |
| article html file updated | 6 February 2020 20:12 CET | Update | N/A |
| article html file updated | 21 January 2020 10:49 CET | Update | N/A |
| article pdf uploaded. | 21 January 2020 10:47 CET | Updated version of record | https://www.mdpi.com/2073-4409/9/1/239/pdf |
| article xml uploaded. | 21 January 2020 10:47 CET | Update | https://www.mdpi.com/2073-4409/9/1/239/xml |
| article xml file uploaded | 21 January 2020 10:47 CET | Update | N/A |
| article html file updated | 17 January 2020 16:20 CET | Original file | N/A |
| article pdf uploaded. | 17 January 2020 16:18 CET | Version of Record | https://www.mdpi.com/2073-4409/9/1/239/pdf-vor |
| article xml uploaded. | 17 January 2020 16:18 CET | Update | N/A |
| article xml file uploaded | 17 January 2020 16:18 CET | Original file | N/A |
