| article html file updated | 29 August 2025 20:40 CEST | Update | https://new.mdpi.com/2076-3425/3/2/908 |
| article html file updated | 15 July 2022 22:20 CEST | Update | - |
| article html file updated | 6 February 2020 02:29 CET | Update | - |
| article html file updated | 8 May 2019 04:21 CEST | Update | - |
| article html file updated | 20 March 2019 23:27 CET | Update | - |
| article html file updated | 17 June 2015 10:00 CEST | Update | - |
| article html file updated | 20 May 2014 08:38 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 08:38 CEST | Original file | https://new.mdpi.com/2076-3425/3/2/908/xml |
| article pdf uploaded. | 5 June 2013 11:16 CEST | Version of Record | https://new.mdpi.com/2076-3425/3/2/908/pdf |
