| article html file updated | 7 February 2020 22:07 CET | Update | https://www.mdpi.com/2076-3417/7/2/111 |
| article html file updated | 23 September 2019 00:56 CEST | Update | - |
| article html file updated | 4 May 2019 13:49 CEST | Update | - |
| article html file updated | 1 March 2017 04:22 CET | Update | - |
| article html file updated | 24 January 2017 09:49 CET | Original file | - |
| article xml uploaded. | 24 January 2017 09:48 CET | Original file | https://www.mdpi.com/2076-3417/7/2/111/xml |
| article pdf uploaded. | 24 January 2017 09:48 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/111/pdf |
