| article html file updated | 6 February 2020 11:54 CET | Update | https://www.mdpi.com/1660-3397/12/9/4713 |
| article html file updated | 7 May 2019 08:54 CEST | Update | - |
| article html file updated | 22 March 2019 00:06 CET | Update | - |
| article html file updated | 20 August 2015 17:02 CEST | Update | - |
| article html file updated | 30 September 2014 06:00 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 06:00 CEST | Original file | https://www.mdpi.com/1660-3397/12/9/4713/xml |
| article pdf uploaded. | 1 September 2014 09:57 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/9/4713/pdf |
