| article html file updated | 7 February 2020 07:37 CET | Update | https://www.mdpi.com/2071-1050/8/4/396 |
| article html file updated | 5 May 2019 17:55 CEST | Update | - |
| article html file updated | 27 March 2019 02:37 CET | Update | - |
| article html file updated | 29 April 2016 06:07 CEST | Update | - |
| article html file updated | 25 April 2016 04:11 CEST | Update | - |
| article xml uploaded. | 25 April 2016 04:10 CEST | Update | https://www.mdpi.com/2071-1050/8/4/396/xml |
| article pdf uploaded. | 25 April 2016 04:10 CEST | Updated version of record | https://www.mdpi.com/2071-1050/8/4/396/pdf |
| article html file updated | 21 April 2016 14:30 CEST | Original file | - |
| article pdf uploaded. | 21 April 2016 14:28 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/4/396/pdf-vor |
