| article html file updated | 15 August 2026 20:25 CEST | Update | https://www.mdpi.com/2073-4344/9/4/307 |
| article html file updated | 12 February 2020 01:30 CET | Update | N/A |
| article html file updated | 17 October 2019 08:49 CEST | Update | N/A |
| article html file updated | 8 May 2019 16:31 CEST | Update | N/A |
| article html file updated | 25 April 2019 20:05 CEST | Update | N/A |
| article html file updated | 12 April 2019 09:31 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2019 09:30 CEST | Updated version of record | https://www.mdpi.com/2073-4344/9/4/307/pdf |
| article xml uploaded. | 12 April 2019 09:30 CEST | Update | https://www.mdpi.com/2073-4344/9/4/307/xml |
| article xml file uploaded | 12 April 2019 09:30 CEST | Update | N/A |
| article pdf uploaded. | 28 March 2019 16:31 CET | Version of Record | https://www.mdpi.com/2073-4344/9/4/307/pdf-vor |
| article xml file uploaded | 28 March 2019 16:31 CET | Original file | N/A |