| article html file updated | 8 February 2020 06:36 CET | Update | https://www.mdpi.com/2071-1050/9/6/892 |
| article html file updated | 24 September 2019 23:46 CEST | Update | - |
| article html file updated | 3 May 2019 20:36 CEST | Update | - |
| article html file updated | 28 June 2017 14:32 CEST | Update | - |
| article html file updated | 25 May 2017 12:06 CEST | Original file | - |
| article xml uploaded. | 25 May 2017 12:05 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/892/xml |
| article pdf uploaded. | 25 May 2017 12:05 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/892/pdf |
| article pdf uploaded. | 24 May 2017 14:03 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/892/pdf-vor |
