| article html file updated | 7 February 2020 14:10 CET | Update | https://www.mdpi.com/2071-1050/8/9/876 |
| article html file updated | 5 May 2019 05:36 CEST | Update | - |
| article html file updated | 27 March 2019 15:24 CET | Update | - |
| article html file updated | 27 September 2016 05:14 CEST | Update | - |
| article html file updated | 31 August 2016 10:52 CEST | Original file | - |
| article xml uploaded. | 31 August 2016 10:51 CEST | Update | https://www.mdpi.com/2071-1050/8/9/876/xml |
| article xml uploaded. | 31 August 2016 10:51 CEST | Original file | - |
| article pdf uploaded. | 31 August 2016 10:51 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/876/pdf |
