| article html file updated | 8 February 2020 19:05 CET | Update | https://www.mdpi.com/2071-1050/9/10/1898 |
| article html file updated | 27 September 2019 22:08 CEST | Update | N/A |
| article html file updated | 2 May 2019 19:50 CEST | Update | N/A |
| article html file updated | 3 November 2017 04:54 CET | Update | N/A |
| article html file updated | 21 October 2017 09:59 CEST | Original file | N/A |
| article xml uploaded. | 21 October 2017 09:58 CEST | Original file | https://www.mdpi.com/2071-1050/9/10/1898/xml |
| article pdf uploaded. | 21 October 2017 09:58 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1898/pdf |
