| article html file updated | 29 August 2025 23:17 CEST | Update | https://www.mdpi.com/2076-3425/6/3/20 |
| article html file updated | 16 July 2022 02:43 CEST | Update | - |
| article html file updated | 7 February 2020 10:49 CET | Update | - |
| article html file updated | 21 September 2019 19:53 CEST | Update | - |
| article html file updated | 5 May 2019 11:44 CEST | Update | - |
| article html file updated | 27 March 2019 08:39 CET | Update | - |
| article html file updated | 28 September 2016 11:41 CEST | Update | - |
| article html file updated | 27 June 2016 09:49 CEST | Original file | - |
| article xml uploaded. | 27 June 2016 09:48 CEST | Original file | https://www.mdpi.com/2076-3425/6/3/20/xml |
| article pdf uploaded. | 27 June 2016 09:48 CEST | Version of Record | https://www.mdpi.com/2076-3425/6/3/20/pdf |
