| article html file updated | 7 February 2020 16:01 CET | Update | https://www.mdpi.com/2071-1050/8/10/998 |
| article html file updated | 5 May 2019 02:15 CEST | Update | N/A |
| article html file updated | 28 October 2016 10:01 CEST | Update | N/A |
| article html file updated | 12 October 2016 08:57 CEST | Original file | N/A |
| article xml uploaded. | 12 October 2016 08:56 CEST | Original file | https://www.mdpi.com/2071-1050/8/10/998/xml |
| article pdf uploaded. | 12 October 2016 08:56 CEST | Updated version of record | https://www.mdpi.com/2071-1050/8/10/998/pdf |
| article pdf uploaded. | 7 October 2016 13:12 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/10/998/pdf-vor |
