| article html file updated | 8 February 2020 17:47 CET | Update | https://www.mdpi.com/2071-1050/9/10/1797 |
| article html file updated | 27 September 2019 13:10 CEST | Update | N/A |
| article html file updated | 2 May 2019 22:46 CEST | Update | N/A |
| article html file updated | 3 November 2017 04:43 CET | Update | N/A |
| article html file updated | 11 October 2017 10:26 CEST | Original file | N/A |
| article xml uploaded. | 11 October 2017 10:24 CEST | Original file | https://www.mdpi.com/2071-1050/9/10/1797/xml |
| article pdf uploaded. | 11 October 2017 10:24 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/10/1797/pdf |
| article pdf uploaded. | 4 October 2017 09:40 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1797/pdf-vor |
