| article html file updated | 7 February 2020 21:48 CET | Update | https://www.mdpi.com/2071-1050/9/1/145 |
| article html file updated | 22 September 2019 23:12 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:29 CEST | Update | N/A |
| article html file updated | 7 February 2017 10:21 CET | Update | N/A |
| article html file updated | 19 January 2017 10:46 CET | Original file | N/A |
| article xml uploaded. | 19 January 2017 10:44 CET | Original file | https://www.mdpi.com/2071-1050/9/1/145/xml |
| article pdf uploaded. | 19 January 2017 10:44 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/145/pdf |
