| article html file updated | 7 February 2020 19:13 CET | Update | https://www.mdpi.com/2071-1050/8/12/1277 |
| article html file updated | 22 September 2019 09:19 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:04 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:15 CET | Update | N/A |
| article html file updated | 7 December 2016 17:03 CET | Original file | N/A |
| article xml uploaded. | 7 December 2016 17:02 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1277/xml |
| article pdf uploaded. | 7 December 2016 17:02 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1277/pdf |
