| article html file updated | 30 August 2025 08:27 CEST | Update | https://www.mdpi.com/2073-4336/9/4/89 |
| article html file updated | 17 July 2022 07:29 CEST | Update | - |
| article html file updated | 10 February 2020 19:27 CET | Update | - |
| article html file updated | 9 October 2019 23:19 CEST | Update | - |
| article html file updated | 28 April 2019 12:42 CEST | Update | - |
| article html file updated | 14 April 2019 07:58 CEST | Update | - |
| article html file updated | 1 April 2019 16:08 CEST | Update | - |
| article html file updated | 12 November 2018 07:27 CET | Original file | - |
| article pdf uploaded. | 12 November 2018 07:25 CET | Updated version of record | https://www.mdpi.com/2073-4336/9/4/89/pdf |
| article xml uploaded. | 12 November 2018 07:25 CET | Update | https://www.mdpi.com/2073-4336/9/4/89/xml |
| article xml file uploaded | 12 November 2018 07:25 CET | Update | - |
| article pdf uploaded. | 2 November 2018 14:35 CET | Updated version of record | https://www.mdpi.com/2073-4336/9/4/89/pdf-vor |
| article pdf uploaded. | 2 November 2018 14:26 CET | Version of Record | https://www.mdpi.com/2073-4336/9/4/89/pdf-vor |
| article xml file uploaded | 2 November 2018 14:26 CET | Original file | - |
