| article html file updated | 6 February 2020 12:00 CET | Update | https://www.mdpi.com/2072-6643/6/9/3516 |
| article html file updated | 20 September 2019 12:31 CEST | Update | N/A |
| article html file updated | 7 May 2019 08:43 CEST | Update | N/A |
| article html file updated | 22 March 2019 00:20 CET | Update | N/A |
| article html file updated | 20 August 2015 17:29 CEST | Update | N/A |
| article html file updated | 30 September 2014 06:01 CEST | Original file | N/A |
| article xml file uploaded | 30 September 2014 06:01 CEST | Original file | https://www.mdpi.com/2072-6643/6/9/3516/xml |
| article pdf uploaded. | 4 September 2014 11:41 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/9/3516/pdf |
