| article html file updated | 31 August 2025 01:19 CEST | Update | https://www.mdpi.com/2075-4663/7/9/209 |
| article html file updated | 20 July 2022 03:33 CEST | Update | N/A |
| article html file updated | 13 February 2020 17:02 CET | Update | N/A |
| article html file updated | 24 September 2019 04:48 CEST | Update | N/A |
| article xml uploaded. | 24 September 2019 04:47 CEST | Update | https://www.mdpi.com/2075-4663/7/9/209/xml |
| article xml uploaded. | 24 September 2019 04:47 CEST | Update | N/A |
| article pdf uploaded. | 24 September 2019 04:47 CEST | Updated version of record | https://www.mdpi.com/2075-4663/7/9/209/pdf |
| article html file updated | 23 September 2019 09:37 CEST | Update | N/A |
| article xml uploaded. | 23 September 2019 09:35 CEST | Update | N/A |
| article pdf uploaded. | 23 September 2019 09:35 CEST | Updated version of record | https://www.mdpi.com/2075-4663/7/9/209/pdf-vor |
| article xml file uploaded | 23 September 2019 09:35 CEST | Update | N/A |
| article html file updated | 12 September 2019 09:41 CEST | Update | N/A |
| article html file updated | 12 September 2019 09:40 CEST | Update | N/A |
| article html file updated | 12 September 2019 09:39 CEST | Original file | N/A |
| article pdf uploaded. | 12 September 2019 09:38 CEST | Version of Record | https://www.mdpi.com/2075-4663/7/9/209/pdf-vor |
| article xml uploaded. | 12 September 2019 09:38 CEST | Update | N/A |
| article xml file uploaded | 12 September 2019 09:38 CEST | Original file | N/A |
