| article html file updated | 7 February 2020 14:02 CET | Update | https://www.mdpi.com/2071-1050/8/9/855 |
| article html file updated | 5 May 2019 05:50 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:07 CET | Update | N/A |
| article html file updated | 27 September 2016 05:09 CEST | Update | N/A |
| article html file updated | 29 August 2016 09:03 CEST | Original file | N/A |
| article xml uploaded. | 29 August 2016 09:01 CEST | Update | https://www.mdpi.com/2071-1050/8/9/855/xml |
| article xml uploaded. | 29 August 2016 09:01 CEST | Update | N/A |
| article xml uploaded. | 29 August 2016 09:01 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2016 09:01 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/9/855/pdf |
