| article html file updated | 8 February 2020 03:06 CET | Update | https://www.mdpi.com/2071-1050/9/4/562 |
| article html file updated | 24 September 2019 05:04 CEST | Update | - |
| article html file updated | 4 May 2019 03:10 CEST | Update | - |
| article html file updated | 28 April 2017 10:56 CEST | Update | - |
| article html file updated | 9 April 2017 03:20 CEST | Original file | - |
| article xml uploaded. | 9 April 2017 03:19 CEST | Original file | https://www.mdpi.com/2071-1050/9/4/562/xml |
| article pdf uploaded. | 9 April 2017 03:19 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/4/562/pdf |
| article pdf uploaded. | 7 April 2017 16:31 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/4/562/pdf-vor |
