| article html file updated | 7 February 2020 01:49 CET | Update | https://www.mdpi.com/1424-8220/15/12/29812 |
| article html file updated | 6 May 2019 05:48 CEST | Update | - |
| article html file updated | 26 March 2019 15:51 CET | Original file | - |
| article pdf uploaded. | 4 December 2015 13:13 CET | Version of Record | https://www.mdpi.com/1424-8220/15/12/29812/pdf |
| article xml uploaded. | 4 December 2015 13:13 CET | Original file | https://www.mdpi.com/1424-8220/15/12/29812/xml |
