| article html file updated | 30 August 2025 11:21 CEST | Update | https://www.mdpi.com/2073-4344/9/2/109 |
| article html file updated | 18 July 2022 00:50 CEST | Update | - |
| article html file updated | 11 February 2020 10:48 CET | Update | - |
| article html file updated | 13 October 2019 18:39 CEST | Update | - |
| article html file updated | 27 April 2019 02:53 CEST | Update | - |
| article html file updated | 12 April 2019 22:50 CEST | Update | - |
| article html file updated | 3 April 2019 07:43 CEST | Update | - |
| article html file updated | 1 March 2019 12:40 CET | Update | - |
| article html file updated | 29 January 2019 12:18 CET | Original file | - |
| article pdf uploaded. | 29 January 2019 12:16 CET | Updated version of record | https://www.mdpi.com/2073-4344/9/2/109/pdf |
| article xml uploaded. | 29 January 2019 12:16 CET | Update | https://www.mdpi.com/2073-4344/9/2/109/xml |
| article xml file uploaded | 29 January 2019 12:16 CET | Update | - |
| article pdf uploaded. | 22 January 2019 14:52 CET | Updated version of record | https://www.mdpi.com/2073-4344/9/2/109/pdf-vor |
| article pdf uploaded. | 22 January 2019 14:41 CET | Version of Record | https://www.mdpi.com/2073-4344/9/2/109/pdf-vor |
| article xml file uploaded | 22 January 2019 14:41 CET | Original file | - |