| article html file updated | 6 February 2020 12:22 CET | Update | https://www.mdpi.com/1424-8220/14/9/17686 |
| article html file updated | 9 January 2020 07:24 CET | Update | N/A |
| article html file updated | 20 September 2019 13:07 CEST | Update | N/A |
| article html file updated | 7 May 2019 08:02 CEST | Update | N/A |
| article html file updated | 22 March 2019 01:15 CET | Update | N/A |
| article html file updated | 20 August 2015 20:16 CEST | Update | N/A |
| article html file updated | 24 October 2014 07:54 CEST | Original file | N/A |
| article xml file uploaded | 24 October 2014 07:54 CEST | Original file | https://www.mdpi.com/1424-8220/14/9/17686/xml |
| article pdf uploaded. | 22 September 2014 11:22 CEST | Version of Record | https://www.mdpi.com/1424-8220/14/9/17686/pdf |
