| article html file updated | 6 February 2020 19:57 CET | Update | https://www.mdpi.com/1424-8220/15/6/14745 |
| article html file updated | 6 May 2019 17:15 CEST | Update | N/A |
| article html file updated | 26 March 2019 05:13 CET | Update | N/A |
| article html file updated | 21 August 2015 13:59 CEST | Update | N/A |
| article html file updated | 15 July 2015 05:38 CEST | Original file | N/A |
| article xml file uploaded | 15 July 2015 05:38 CEST | Original file | https://www.mdpi.com/1424-8220/15/6/14745/xml |
| article pdf uploaded. | 23 June 2015 08:15 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/6/14745/pdf |
| article pdf uploaded. | 22 June 2015 17:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/6/14745/pdf-vor |
