| article html file updated | 6 February 2020 21:02 CET | Update | https://www.mdpi.com/1424-8220/15/8/18178 |
| article html file updated | 6 May 2019 15:00 CEST | Update | N/A |
| article html file updated | 26 March 2019 07:21 CET | Update | N/A |
| article html file updated | 9 September 2015 11:47 CEST | Original file | N/A |
| article xml file uploaded | 9 September 2015 11:47 CEST | Original file | https://www.mdpi.com/1424-8220/15/8/18178/xml |
| article pdf uploaded. | 28 July 2015 08:48 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/8/18178/pdf |
| article pdf uploaded. | 24 July 2015 13:40 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/8/18178/pdf-vor |
