| article html file updated | 6 February 2020 08:57 CET | Update | https://www.mdpi.com/1660-3397/12/5/2471 |
| article html file updated | 7 May 2019 15:10 CEST | Update | - |
| article html file updated | 21 March 2019 16:20 CET | Update | - |
| article html file updated | 20 August 2015 05:08 CEST | Update | - |
| article html file updated | 11 June 2014 07:44 CEST | Original file | - |
| article xml file uploaded | 11 June 2014 07:44 CEST | Original file | https://www.mdpi.com/1660-3397/12/5/2471/xml |
| article pdf uploaded. | 30 April 2014 13:53 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/5/2471/pdf |
