| article html file updated | 6 February 2020 20:48 CET | Update | https://www.mdpi.com/2072-6694/7/3/837 |
| article html file updated | 6 May 2019 15:30 CEST | Update | - |
| article html file updated | 26 March 2019 06:52 CET | Original file | - |
| article xml file uploaded | 29 September 2015 12:39 CEST | Original file | https://www.mdpi.com/2072-6694/7/3/837/xml |
| article pdf uploaded. | 17 July 2015 15:50 CEST | Version of Record | https://www.mdpi.com/2072-6694/7/3/837/pdf |
