| article html file updated | 7 February 2020 02:17 CET | Update | https://www.mdpi.com/1424-8220/15/12/29878 |
| article html file updated | 6 May 2019 04:53 CEST | Update | - |
| article html file updated | 26 March 2019 16:34 CET | Original file | - |
| article pdf uploaded. | 16 December 2015 13:01 CET | Version of Record | https://www.mdpi.com/1424-8220/15/12/29878/pdf |
| article xml uploaded. | 16 December 2015 13:01 CET | Original file | https://www.mdpi.com/1424-8220/15/12/29878/xml |
