| article html file updated | 8 February 2020 01:28 CET | Update | https://www.mdpi.com/2071-1050/9/3/418 |
| article html file updated | 23 September 2019 19:49 CEST | Update | - |
| article html file updated | 4 May 2019 06:43 CEST | Update | - |
| article html file updated | 28 March 2017 06:12 CEST | Update | - |
| article html file updated | 15 March 2017 02:38 CET | Original file | - |
| article xml uploaded. | 15 March 2017 02:37 CET | Original file | https://www.mdpi.com/2071-1050/9/3/418/xml |
| article pdf uploaded. | 15 March 2017 02:37 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/418/pdf |
