| article html file updated | 8 February 2020 02:13 CET | Update | https://www.mdpi.com/2071-1050/9/4/485 |
| article html file updated | 24 September 2019 00:02 CEST | Update | - |
| article html file updated | 4 May 2019 05:07 CEST | Update | - |
| article html file updated | 28 April 2017 10:42 CEST | Update | - |
| article html file updated | 27 March 2017 14:23 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 14:22 CEST | Original file | https://www.mdpi.com/2071-1050/9/4/485/xml |
| article pdf uploaded. | 27 March 2017 14:22 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/4/485/pdf |
| article pdf uploaded. | 24 March 2017 14:56 CET | Version of Record | https://www.mdpi.com/2071-1050/9/4/485/pdf-vor |
