| article html file updated | 30 August 2025 09:46 CEST | Update | https://www.mdpi.com/2075-4450/9/4/189 |
| article html file updated | 17 July 2022 14:32 CEST | Update | - |
| article html file updated | 11 February 2020 02:16 CET | Update | - |
| article html file updated | 11 October 2019 17:36 CEST | Update | - |
| article html file updated | 27 April 2019 21:29 CEST | Update | - |
| article html file updated | 13 April 2019 17:19 CEST | Update | - |
| article html file updated | 2 April 2019 10:42 CEST | Update | - |
| article html file updated | 26 December 2018 22:12 CET | Update | - |
| article html file updated | 12 December 2018 05:09 CET | Update | - |
| article pdf uploaded. | 12 December 2018 05:07 CET | Updated version of record | https://www.mdpi.com/2075-4450/9/4/189/pdf |
| article xml uploaded. | 12 December 2018 05:07 CET | Update | https://www.mdpi.com/2075-4450/9/4/189/xml |
| article xml file uploaded | 12 December 2018 05:07 CET | Update | - |
| article html file updated | 10 December 2018 10:53 CET | Original file | - |
| article pdf uploaded. | 10 December 2018 10:52 CET | Version of Record | https://www.mdpi.com/2075-4450/9/4/189/pdf-vor |
| article xml uploaded. | 10 December 2018 10:52 CET | Update | - |
| article xml file uploaded | 10 December 2018 10:52 CET | Original file | - |
