| article html file updated | 7 February 2020 07:19 CET | Update | https://www.mdpi.com/2071-1050/8/4/372 |
| article html file updated | 5 May 2019 18:32 CEST | Update | - |
| article html file updated | 27 March 2019 01:59 CET | Update | - |
| article html file updated | 29 April 2016 06:01 CEST | Update | - |
| article html file updated | 15 April 2016 11:36 CEST | Original file | - |
| article xml uploaded. | 15 April 2016 11:35 CEST | Original file | https://www.mdpi.com/2071-1050/8/4/372/xml |
| article pdf uploaded. | 15 April 2016 11:35 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/4/372/pdf |
