| article html file updated | 6 February 2020 22:53 CET | Update | https://www.mdpi.com/1424-8220/15/9/23706 |
| article html file updated | 6 May 2019 11:09 CEST | Update | - |
| article html file updated | 26 March 2019 10:55 CET | Update | - |
| article html file updated | 9 October 2015 11:59 CEST | Original file | - |
| article xml file uploaded | 9 October 2015 11:59 CEST | Original file | https://www.mdpi.com/1424-8220/15/9/23706/xml |
| article pdf uploaded. | 17 September 2015 12:06 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/9/23706/pdf |
