| article html file updated | 8 February 2020 01:00 CET | Update | https://www.mdpi.com/2071-1050/9/3/398 |
| article html file updated | 23 September 2019 17:12 CEST | Update | - |
| article html file updated | 4 May 2019 07:44 CEST | Update | - |
| article html file updated | 28 March 2017 06:09 CEST | Update | - |
| article html file updated | 8 March 2017 09:00 CET | Original file | - |
| article xml uploaded. | 8 March 2017 08:59 CET | Original file | https://www.mdpi.com/2071-1050/9/3/398/xml |
| article pdf uploaded. | 8 March 2017 08:59 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/398/pdf |
