| article html file updated | 30 August 2025 13:07 CEST | Update | https://www.mdpi.com/2079-9284/6/1/21 |
| article html file updated | 19 July 2022 16:31 CEST | Update | - |
| article html file updated | 11 February 2020 23:00 CET | Update | - |
| article html file updated | 16 October 2019 18:59 CEST | Update | - |
| article html file updated | 26 April 2019 01:35 CEST | Update | - |
| article html file updated | 11 April 2019 20:35 CEST | Update | - |
| article html file updated | 4 April 2019 15:23 CEST | Update | - |
| article html file updated | 18 March 2019 17:36 CET | Original file | - |
| article pdf uploaded. | 18 March 2019 12:39 CET | Version of Record | https://www.mdpi.com/2079-9284/6/1/21/pdf |
| article xml uploaded. | 18 March 2019 12:39 CET | Update | https://www.mdpi.com/2079-9284/6/1/21/xml |
| article xml file uploaded | 18 March 2019 12:39 CET | Original file | - |
