| article html file updated | 8 February 2020 01:12 CET | Update | https://www.mdpi.com/2071-1050/9/3/415 |
| article html file updated | 23 September 2019 18:19 CEST | Update | - |
| article html file updated | 4 May 2019 07:18 CEST | Update | - |
| article html file updated | 28 March 2017 06:11 CEST | Update | - |
| article html file updated | 10 March 2017 12:06 CET | Original file | - |
| article xml uploaded. | 10 March 2017 12:05 CET | Original file | https://www.mdpi.com/2071-1050/9/3/415/xml |
| article pdf uploaded. | 10 March 2017 12:05 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/415/pdf |
