| article html file updated | 30 August 2025 12:17 CEST | Update | https://www.mdpi.com/2075-4663/7/2/49 |
| article html file updated | 19 July 2022 15:28 CEST | Update | N/A |
| article html file updated | 11 February 2020 17:53 CET | Update | N/A |
| article html file updated | 15 October 2019 11:11 CEST | Update | N/A |
| article html file updated | 26 April 2019 12:52 CEST | Update | N/A |
| article html file updated | 12 April 2019 08:22 CEST | Update | N/A |
| article html file updated | 4 April 2019 01:30 CEST | Update | N/A |
| article html file updated | 5 March 2019 09:25 CET | Update | N/A |
| article html file updated | 1 March 2019 09:40 CET | Update | N/A |
| article html file updated | 22 February 2019 08:57 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2019 08:55 CET | Version of Record | https://www.mdpi.com/2075-4663/7/2/49/pdf |
| article xml uploaded. | 22 February 2019 08:55 CET | Update | https://www.mdpi.com/2075-4663/7/2/49/xml |
| article xml file uploaded | 22 February 2019 08:55 CET | Original file | N/A |
