| article html file updated | 6 February 2020 11:43 CET | Update | https://www.mdpi.com/1660-3397/12/8/4693 |
| article html file updated | 7 May 2019 09:15 CEST | Update | - |
| article html file updated | 21 March 2019 23:40 CET | Update | - |
| article html file updated | 20 August 2015 16:19 CEST | Update | - |
| article html file updated | 27 August 2014 11:24 CEST | Original file | - |
| article xml file uploaded | 27 August 2014 11:24 CEST | Original file | https://www.mdpi.com/1660-3397/12/8/4693/xml |
| article pdf uploaded. | 22 August 2014 14:14 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/8/4693/pdf |
