| article html file updated | 7 February 2020 14:56 CET | Update | https://www.mdpi.com/2071-1050/8/9/934 |
| article html file updated | 5 May 2019 04:11 CEST | Update | - |
| article html file updated | 27 September 2016 05:25 CEST | Update | - |
| article html file updated | 13 September 2016 12:51 CEST | Original file | - |
| article xml uploaded. | 13 September 2016 12:50 CEST | Update | https://www.mdpi.com/2071-1050/8/9/934/xml |
| article xml uploaded. | 13 September 2016 12:50 CEST | Update | - |
| article xml uploaded. | 13 September 2016 12:50 CEST | Original file | - |
| article pdf uploaded. | 13 September 2016 12:50 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/934/pdf |
