| article html file updated | 6 February 2020 09:08 CET | Update | https://www.mdpi.com/2072-6643/6/5/1899 |
| article html file updated | 7 May 2019 14:48 CEST | Update | - |
| article html file updated | 21 March 2019 16:46 CET | Update | - |
| article html file updated | 20 August 2015 06:15 CEST | Update | - |
| article html file updated | 5 June 2014 08:57 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 08:57 CEST | Original file | https://www.mdpi.com/2072-6643/6/5/1899/xml |
| article pdf uploaded. | 8 May 2014 14:35 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/5/1899/pdf |
