| article html file updated | 6 February 2020 22:55 CET | Update | https://www.mdpi.com/2072-6694/7/3/868 |
| article html file updated | 6 May 2019 11:06 CEST | Update | N/A |
| article html file updated | 26 March 2019 10:57 CET | Original file | N/A |
| article xml file uploaded | 29 September 2015 12:39 CEST | Original file | https://www.mdpi.com/2072-6694/7/3/868/xml |
| article pdf uploaded. | 17 September 2015 14:14 CEST | Version of Record | https://www.mdpi.com/2072-6694/7/3/868/pdf |
