| article html file updated | 7 February 2020 19:55 CET | Update | https://www.mdpi.com/2071-1050/8/12/1339 |
| article html file updated | 22 September 2019 13:05 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:36 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:23 CET | Update | N/A |
| article html file updated | 19 December 2016 12:18 CET | Original file | N/A |
| article xml uploaded. | 19 December 2016 12:17 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1339/xml |
| article pdf uploaded. | 19 December 2016 12:17 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1339/pdf |
