| article html file updated | 29 August 2025 20:39 CEST | Update | https://www.mdpi.com/2076-3425/3/2/800 |
| article html file updated | 15 July 2022 22:18 CEST | Update | - |
| article html file updated | 6 February 2020 02:14 CET | Update | - |
| article html file updated | 8 May 2019 04:54 CEST | Update | - |
| article html file updated | 20 March 2019 22:49 CET | Update | - |
| article html file updated | 17 June 2015 09:31 CEST | Update | - |
| article html file updated | 20 May 2014 08:37 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 08:37 CEST | Original file | https://www.mdpi.com/2076-3425/3/2/800/xml |
| article pdf uploaded. | 22 May 2013 12:20 CEST | Version of Record | https://www.mdpi.com/2076-3425/3/2/800/pdf |