| article html file updated | 7 February 2020 22:04 CET | Update | https://www.mdpi.com/2071-1050/9/2/162 |
| article html file updated | 23 September 2019 00:44 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:53 CEST | Update | N/A |
| article html file updated | 1 March 2017 10:20 CET | Update | N/A |
| article html file updated | 24 January 2017 12:35 CET | Original file | N/A |
| article xml uploaded. | 24 January 2017 12:33 CET | Original file | https://www.mdpi.com/2071-1050/9/2/162/xml |
| article pdf uploaded. | 24 January 2017 12:33 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/162/pdf |
