| article html file updated | 8 February 2020 07:07 CET | Update | https://www.mdpi.com/2076-3417/7/6/568 |
| article html file updated | 25 September 2019 02:28 CEST | Update | - |
| article html file updated | 3 May 2019 19:39 CEST | Update | - |
| article html file updated | 27 June 2017 09:34 CEST | Update | - |
| article html file updated | 8 June 2017 07:41 CEST | Original file | - |
| article xml uploaded. | 8 June 2017 07:40 CEST | Update | https://www.mdpi.com/2076-3417/7/6/568/xml |
| article pdf uploaded. | 8 June 2017 07:40 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/6/568/pdf |
