| article html file updated | 7 February 2020 19:29 CET | Update | https://www.mdpi.com/2071-1050/8/12/1301 |
| article html file updated | 22 September 2019 10:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:30 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:18 CET | Update | N/A |
| article html file updated | 12 December 2016 16:47 CET | Original file | N/A |
| article xml uploaded. | 12 December 2016 16:46 CET | Original file | https://www.mdpi.com/2071-1050/8/12/1301/xml |
| article pdf uploaded. | 12 December 2016 16:46 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1301/pdf |
