| article html file updated | 6 February 2020 10:31 CET | Update | https://www.mdpi.com/2072-6651/6/7/1996 |
| article html file updated | 7 May 2019 11:59 CEST | Update | N/A |
| article html file updated | 21 March 2019 20:22 CET | Update | N/A |
| article html file updated | 20 August 2015 12:05 CEST | Update | N/A |
| article html file updated | 29 July 2014 11:03 CEST | Original file | N/A |
| article xml file uploaded | 29 July 2014 11:03 CEST | Original file | https://www.mdpi.com/2072-6651/6/7/1996/xml |
| article pdf uploaded. | 8 July 2014 09:03 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/7/1996/pdf |
