| article html file updated | 6 February 2020 22:20 CET | Update | https://www.mdpi.com/2071-1050/7/9/12122 |
| article html file updated | 21 September 2019 02:43 CEST | Update | N/A |
| article html file updated | 6 May 2019 12:17 CEST | Update | N/A |
| article html file updated | 26 March 2019 09:52 CET | Update | N/A |
| article html file updated | 12 October 2015 12:32 CEST | Original file | N/A |
| article xml file uploaded | 12 October 2015 12:32 CEST | Original file | https://www.mdpi.com/2071-1050/7/9/12122/xml |
| article pdf uploaded. | 1 September 2015 11:41 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/9/12122/pdf |
