| article html file updated | 8 February 2020 07:57 CET | Update | https://www.mdpi.com/2071-1050/9/6/1008 |
| article html file updated | 25 September 2019 06:42 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:04 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:46 CEST | Update | N/A |
| article html file updated | 12 June 2017 10:05 CEST | Original file | N/A |
| article xml uploaded. | 12 June 2017 10:04 CEST | Update | https://www.mdpi.com/2071-1050/9/6/1008/xml |
| article pdf uploaded. | 12 June 2017 10:04 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/1008/pdf |
| article pdf uploaded. | 10 June 2017 10:50 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1008/pdf-vor |
