| article html file updated | 31 August 2025 04:56 CEST | Update | https://www.mdpi.com/2073-4352/9/12/609 |
| article html file updated | 19 July 2022 23:20 CEST | Update | N/A |
| article html file updated | 14 February 2020 11:40 CET | Update | N/A |
| article html file updated | 31 December 2019 03:41 CET | Update | N/A |
| article html file updated | 19 December 2019 03:31 CET | Update | N/A |
| article pdf uploaded. | 19 December 2019 03:29 CET | Updated version of record | https://www.mdpi.com/2073-4352/9/12/609/pdf |
| article xml uploaded. | 19 December 2019 03:29 CET | Update | https://www.mdpi.com/2073-4352/9/12/609/xml |
| article xml file uploaded | 19 December 2019 03:29 CET | Update | N/A |
| article html file updated | 21 November 2019 11:00 CET | Original file | N/A |
| article pdf uploaded. | 21 November 2019 10:58 CET | Version of Record | https://www.mdpi.com/2073-4352/9/12/609/pdf-vor |
| article xml uploaded. | 21 November 2019 10:58 CET | Update | N/A |
| article xml file uploaded | 21 November 2019 10:58 CET | Original file | N/A |
