| article html file updated | 7 February 2020 15:15 CET | Update | https://www.mdpi.com/2071-1050/8/9/955 |
| article html file updated | 5 May 2019 03:37 CEST | Update | - |
| article html file updated | 27 September 2016 05:27 CEST | Update | - |
| article html file updated | 20 September 2016 13:04 CEST | Original file | - |
| article xml uploaded. | 20 September 2016 13:02 CEST | Update | https://www.mdpi.com/2071-1050/8/9/955/xml |
| article xml uploaded. | 20 September 2016 13:02 CEST | Original file | - |
| article pdf uploaded. | 20 September 2016 13:02 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/955/pdf |
