| article html file updated | 6 February 2020 19:45 CET | Update | https://www.mdpi.com/2075-4450/6/2/595 |
| article html file updated | 20 September 2019 22:55 CEST | Update | - |
| article html file updated | 6 May 2019 17:38 CEST | Update | - |
| article html file updated | 26 March 2019 04:52 CET | Update | - |
| article html file updated | 21 August 2015 13:43 CEST | Update | - |
| article html file updated | 3 July 2015 12:26 CEST | Original file | - |
| article xml file uploaded | 3 July 2015 12:26 CEST | Original file | https://www.mdpi.com/2075-4450/6/2/595/xml |
| article pdf uploaded. | 16 June 2015 15:24 CEST | Version of Record | https://www.mdpi.com/2075-4450/6/2/595/pdf |
