| article html file updated | 7 February 2020 01:35 CET | Update | https://www.mdpi.com/1424-8220/15/12/29781 |
| article html file updated | 6 May 2019 06:19 CEST | Update | - |
| article html file updated | 26 March 2019 15:25 CET | Original file | - |
| article pdf uploaded. | 1 December 2015 11:28 CET | Version of Record | https://www.mdpi.com/1424-8220/15/12/29781/pdf |
| article xml uploaded. | 1 December 2015 11:28 CET | Original file | https://www.mdpi.com/1424-8220/15/12/29781/xml |
