| article html file updated | 30 August 2025 20:23 CEST | Update | https://www.mdpi.com/2075-4701/9/6/620 |
| article html file updated | 19 July 2022 19:15 CEST | Update | N/A |
| article html file updated | 12 February 2020 15:53 CET | Update | N/A |
| article html file updated | 20 October 2019 21:44 CEST | Update | N/A |
| article html file updated | 5 July 2019 20:31 CEST | Update | N/A |
| article html file updated | 30 May 2019 12:13 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 12:11 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/6/620/pdf |
| article xml uploaded. | 30 May 2019 12:11 CEST | Update | https://www.mdpi.com/2075-4701/9/6/620/xml |
| article xml file uploaded | 30 May 2019 12:11 CEST | Update | N/A |
| article pdf uploaded. | 28 May 2019 15:13 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/6/620/pdf-vor |
| article xml file uploaded | 28 May 2019 15:13 CEST | Original file | N/A |
