| article html file updated | 7 February 2020 18:37 CET | Update | https://www.mdpi.com/2071-1050/8/12/1231 |
| article html file updated | 22 September 2019 07:02 CEST | Update | N/A |
| article html file updated | 4 May 2019 21:19 CEST | Update | N/A |
| article html file updated | 28 December 2016 07:52 CET | Update | N/A |
| article html file updated | 25 November 2016 12:10 CET | Original file | N/A |
| article xml uploaded. | 25 November 2016 12:08 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1231/xml |
| article pdf uploaded. | 25 November 2016 12:08 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1231/pdf |
