| article html file updated | 7 February 2020 23:08 CET | Update | https://www.mdpi.com/2071-1050/9/2/249 |
| article html file updated | 23 September 2019 06:32 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:46 CEST | Update | N/A |
| article html file updated | 1 March 2017 10:35 CET | Update | N/A |
| article html file updated | 13 February 2017 11:10 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 11:09 CET | Update | https://www.mdpi.com/2071-1050/9/2/249/xml |
| article xml uploaded. | 13 February 2017 11:09 CET | Original file | N/A |
| article pdf uploaded. | 13 February 2017 11:09 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/2/249/pdf |
| article pdf uploaded. | 10 February 2017 16:05 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/249/pdf-vor |
