| article html file updated | 6 February 2020 22:29 CET | Update | https://www.mdpi.com/2073-4360/7/9/1474 |
| article html file updated | 6 May 2019 11:59 CEST | Update | - |
| article html file updated | 26 March 2019 10:07 CET | Original file | - |
| article xml file uploaded | 12 October 2015 10:32 CEST | Original file | https://www.mdpi.com/2073-4360/7/9/1474/xml |
| article pdf uploaded. | 7 September 2015 11:14 CEST | Version of Record | https://www.mdpi.com/2073-4360/7/9/1474/pdf |
