| article html file updated | 30 August 2025 13:57 CEST | Update | https://www.mdpi.com/2079-6374/9/2/55 |
| article html file updated | 21 August 2025 20:39 CEST | Update | N/A |
| article html file updated | 12 February 2020 05:03 CET | Update | N/A |
| article html file updated | 18 October 2019 06:38 CEST | Update | N/A |
| article html file updated | 5 July 2019 14:29 CEST | Update | N/A |
| article html file updated | 5 July 2019 08:27 CEST | Update | N/A |
| article html file updated | 7 May 2019 11:56 CEST | Original file | N/A |
| article pdf uploaded. | 7 May 2019 09:55 CEST | Updated version of record | https://www.mdpi.com/2079-6374/9/2/55/pdf |
| article xml uploaded. | 7 May 2019 09:55 CEST | Update | https://www.mdpi.com/2079-6374/9/2/55/xml |
| article xml file uploaded | 7 May 2019 09:55 CEST | Update | N/A |
| article pdf uploaded. | 24 April 2019 03:43 CEST | Updated version of record | https://www.mdpi.com/2079-6374/9/2/55/pdf-vor |
| article pdf uploaded. | 12 April 2019 18:03 CEST | Version of Record | https://www.mdpi.com/2079-6374/9/2/55/pdf-vor |
| article xml file uploaded | 12 April 2019 18:03 CEST | Original file | N/A |
