| article html file updated | 6 February 2020 07:35 CET | Update | https://www.mdpi.com/2072-6651/6/3/869 |
| article html file updated | 7 May 2019 17:58 CEST | Update | N/A |
| article html file updated | 21 March 2019 13:08 CET | Update | N/A |
| article html file updated | 19 August 2015 22:03 CEST | Update | N/A |
| article html file updated | 28 April 2014 11:23 CEST | Original file | N/A |
| article xml file uploaded | 28 April 2014 11:23 CEST | Original file | https://www.mdpi.com/2072-6651/6/3/869/xml |
| article pdf uploaded. | 28 February 2014 09:55 CET | Version of Record | https://www.mdpi.com/2072-6651/6/3/869/pdf |
