| article html file updated | 7 February 2020 19:33 CET | Update | https://www.mdpi.com/2071-1050/8/12/1312 |
| article html file updated | 22 September 2019 11:12 CEST | Update | - |
| article html file updated | 4 May 2019 19:22 CEST | Update | - |
| article html file updated | 28 December 2016 08:19 CET | Update | - |
| article html file updated | 13 December 2016 13:24 CET | Original file | - |
| article xml uploaded. | 13 December 2016 13:22 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1312/xml |
| article pdf uploaded. | 13 December 2016 13:22 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1312/pdf |
