| article html file updated | 7 February 2020 00:07 CET | Update | https://www.mdpi.com/2073-4360/7/10/1501 |
| article html file updated | 6 May 2019 08:39 CEST | Update | - |
| article html file updated | 26 March 2019 13:10 CET | Original file | - |
| article xml file uploaded | 5 November 2015 08:20 CET | Update | https://www.mdpi.com/2073-4360/7/10/1501/xml |
| article xml file uploaded | 23 October 2015 05:37 CEST | Original file | - |
| article pdf uploaded. | 22 October 2015 15:46 CEST | Version of Record | https://www.mdpi.com/2073-4360/7/10/1501/pdf |
