| article html file updated | 7 February 2020 20:59 CET | Update | https://www.mdpi.com/2071-1050/9/1/76 |
| article html file updated | 22 September 2019 19:00 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:22 CEST | Update | N/A |
| article html file updated | 7 February 2017 10:06 CET | Update | N/A |
| article html file updated | 7 January 2017 09:45 CET | Original file | N/A |
| article xml uploaded. | 7 January 2017 09:43 CET | Update | https://www.mdpi.com/2071-1050/9/1/76/xml |
| article pdf uploaded. | 7 January 2017 09:43 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/76/pdf |
