| article html file updated | 30 August 2025 09:06 CEST | Update | https://www.mdpi.com/2075-4450/9/4/169 |
| article html file updated | 17 July 2022 10:33 CEST | Update | - |
| article html file updated | 10 February 2020 22:43 CET | Update | - |
| article html file updated | 10 October 2019 20:00 CEST | Update | - |
| article html file updated | 28 April 2019 04:53 CEST | Update | - |
| article html file updated | 14 April 2019 01:01 CEST | Update | - |
| article html file updated | 2 April 2019 00:44 CEST | Update | - |
| article html file updated | 26 December 2018 21:46 CET | Update | - |
| article html file updated | 22 November 2018 10:07 CET | Original file | - |
| article pdf uploaded. | 22 November 2018 10:05 CET | Version of Record | https://www.mdpi.com/2075-4450/9/4/169/pdf |
| article xml uploaded. | 22 November 2018 10:05 CET | Update | https://www.mdpi.com/2075-4450/9/4/169/xml |
| article xml file uploaded | 22 November 2018 10:05 CET | Original file | - |