| article html file updated | 29 August 2025 21:15 CEST | Update | https://www.mdpi.com/2308-3425/1/2/163 |
| article html file updated | 15 July 2022 23:25 CEST | Update | - |
| article html file updated | 6 February 2020 12:25 CET | Update | - |
| article html file updated | 7 May 2019 07:56 CEST | Update | - |
| article html file updated | 22 March 2019 01:24 CET | Original file | - |
| article pdf uploaded. | 23 September 2014 12:42 CEST | Version of Record | https://www.mdpi.com/2308-3425/1/2/163/pdf |
