| article html file updated | 7 February 2020 02:28 CET | Update | https://www.mdpi.com/1424-8220/15/12/29910 |
| article html file updated | 6 May 2019 04:30 CEST | Update | - |
| article html file updated | 26 March 2019 16:52 CET | Original file | - |
| article pdf uploaded. | 21 December 2015 11:22 CET | Version of Record | https://www.mdpi.com/1424-8220/15/12/29910/pdf |
| article xml uploaded. | 21 December 2015 11:22 CET | Original file | https://www.mdpi.com/1424-8220/15/12/29910/xml |
