| article html file updated | 30 August 2025 13:47 CEST | Update | https://www.mdpi.com/2073-4395/9/4/181 |
| article html file updated | 21 August 2025 20:35 CEST | Update | N/A |
| article html file updated | 19 July 2022 17:20 CEST | Update | N/A |
| article html file updated | 12 February 2020 03:55 CET | Update | N/A |
| article html file updated | 17 October 2019 23:35 CEST | Update | N/A |
| article html file updated | 8 May 2019 17:17 CEST | Update | N/A |
| article html file updated | 25 April 2019 15:04 CEST | Update | N/A |
| article html file updated | 11 April 2019 11:25 CEST | Update | N/A |
| article html file updated | 10 April 2019 06:00 CEST | Update | N/A |
| article html file updated | 9 April 2019 09:21 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2019 09:19 CEST | Version of Record | https://www.mdpi.com/2073-4395/9/4/181/pdf |
| article xml uploaded. | 9 April 2019 09:19 CEST | Update | https://www.mdpi.com/2073-4395/9/4/181/xml |
| article xml file uploaded | 9 April 2019 09:19 CEST | Original file | N/A |