| article html file updated | 7 February 2020 18:35 CET | Update | https://www.mdpi.com/2071-1050/8/12/1219 |
| article html file updated | 4 May 2019 21:25 CEST | Update | N/A |
| article html file updated | 28 December 2016 07:45 CET | Update | N/A |
| article html file updated | 28 December 2016 05:14 CET | Update | N/A |
| article html file updated | 25 November 2016 09:35 CET | Original file | N/A |
| article xml uploaded. | 25 November 2016 09:33 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1219/xml |
| article pdf uploaded. | 25 November 2016 09:33 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1219/pdf |
