| article html file updated | 7 February 2020 00:49 CET | Update | https://www.mdpi.com/1424-8220/15/11/28340 |
| article html file updated | 6 May 2019 07:17 CEST | Update | N/A |
| article html file updated | 26 March 2019 14:32 CET | Original file | N/A |
| article pdf uploaded. | 13 November 2015 09:06 CET | Updated version of record | https://www.mdpi.com/1424-8220/15/11/28340/pdf |
| article pdf uploaded. | 11 November 2015 12:21 CET | Version of Record | https://www.mdpi.com/1424-8220/15/11/28340/pdf-vor |
