| article html file updated | 30 August 2025 07:50 CEST | Update | https://www.mdpi.com/2079-6382/7/4/89 |
| article html file updated | 17 July 2022 05:01 CEST | Update | - |
| article html file updated | 10 February 2020 16:04 CET | Update | - |
| article html file updated | 9 October 2019 02:56 CEST | Update | - |
| article html file updated | 28 April 2019 19:43 CEST | Update | - |
| article html file updated | 14 April 2019 14:50 CEST | Update | - |
| article html file updated | 1 April 2019 06:49 CEST | Update | - |
| article html file updated | 26 December 2018 13:56 CET | Update | - |
| article html file updated | 16 October 2018 09:10 CEST | Original file | - |
| article pdf uploaded. | 16 October 2018 09:10 CEST | Version of Record | https://www.mdpi.com/2079-6382/7/4/89/pdf |
| article xml uploaded. | 16 October 2018 09:10 CEST | Update | https://www.mdpi.com/2079-6382/7/4/89/xml |
| article xml file uploaded | 16 October 2018 09:10 CEST | Original file | - |