| article html file updated | 6 February 2020 17:29 CET | Update | https://www.mdpi.com/2073-4409/4/2/112 |
| article html file updated | 6 May 2019 22:18 CEST | Update | - |
| article html file updated | 26 March 2019 00:21 CET | Update | - |
| article html file updated | 27 October 2017 09:17 CEST | Update | - |
| article html file updated | 21 August 2015 10:13 CEST | Update | - |
| article html file updated | 7 July 2015 10:59 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 10:59 CEST | Original file | https://www.mdpi.com/2073-4409/4/2/112/xml |
| article pdf uploaded. | 10 April 2015 09:10 CEST | Version of Record | https://www.mdpi.com/2073-4409/4/2/112/pdf |
