| article html file updated | 7 February 2020 10:02 CET | Update | https://www.mdpi.com/2071-1050/8/6/545 |
| article html file updated | 5 May 2019 13:13 CEST | Update | - |
| article html file updated | 27 March 2019 07:14 CET | Update | - |
| article html file updated | 29 June 2016 05:30 CEST | Update | - |
| article html file updated | 10 June 2016 09:03 CEST | Original file | - |
| article xml uploaded. | 10 June 2016 09:01 CEST | Original file | https://www.mdpi.com/2071-1050/8/6/545/xml |
| article pdf uploaded. | 10 June 2016 09:01 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/6/545/pdf |
