| article html file updated | 6 February 2020 21:01 CET | Update | https://www.mdpi.com/2071-1050/7/8/9943 |
| article html file updated | 6 May 2019 15:03 CEST | Update | N/A |
| article html file updated | 26 March 2019 07:18 CET | Update | N/A |
| article html file updated | 3 September 2015 03:56 CEST | Update | N/A |
| article xml file uploaded | 3 September 2015 03:56 CEST | Original file | https://www.mdpi.com/2071-1050/7/8/9943/xml |
| article html file updated | 21 August 2015 15:13 CEST | Original file | N/A |
| article pdf uploaded. | 24 July 2015 11:45 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/8/9943/pdf |
