| article html file updated | 6 February 2020 08:50 CET | Update | https://www.mdpi.com/2073-4441/6/4/1043 |
| article html file updated | 7 May 2019 15:24 CEST | Update | N/A |
| article html file updated | 21 March 2019 16:06 CET | Update | N/A |
| article html file updated | 20 August 2015 04:26 CEST | Update | N/A |
| article html file updated | 24 June 2014 12:29 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:29 CEST | Original file | https://www.mdpi.com/2073-4441/6/4/1043/xml |
| article pdf uploaded. | 25 April 2014 08:42 CEST | Updated version of record | https://www.mdpi.com/2073-4441/6/4/1043/pdf |
| article pdf uploaded. | 24 April 2014 09:38 CEST | Version of Record | https://www.mdpi.com/2073-4441/6/4/1043/pdf-vor |
