| article html file updated | 30 August 2025 10:32 CEST | Update | https://www.mdpi.com/2075-4701/9/1/33 |
| article html file updated | 17 July 2022 20:25 CEST | Update | - |
| article html file updated | 11 February 2020 06:22 CET | Update | - |
| article html file updated | 12 October 2019 19:03 CEST | Update | - |
| article html file updated | 27 April 2019 12:09 CEST | Update | - |
| article html file updated | 13 April 2019 08:08 CEST | Update | - |
| article html file updated | 2 April 2019 21:23 CEST | Update | - |
| article html file updated | 1 March 2019 20:24 CET | Update | - |
| article html file updated | 30 January 2019 03:56 CET | Update | - |
| article html file updated | 2 January 2019 13:16 CET | Original file | - |
| article pdf uploaded. | 2 January 2019 13:15 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/33/pdf |
| article xml uploaded. | 2 January 2019 13:15 CET | Update | https://www.mdpi.com/2075-4701/9/1/33/xml |
| article xml file uploaded | 2 January 2019 13:15 CET | Original file | - |
