| article html file updated | 8 February 2020 03:05 CET | Update | https://www.mdpi.com/2076-3417/7/4/368 |
| article html file updated | 24 September 2019 05:01 CEST | Update | - |
| article html file updated | 4 May 2019 03:12 CEST | Update | - |
| article html file updated | 28 April 2017 05:13 CEST | Update | - |
| article html file updated | 7 April 2017 10:59 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 10:58 CEST | Original file | https://www.mdpi.com/2076-3417/7/4/368/xml |
| article pdf uploaded. | 7 April 2017 10:58 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/368/pdf |
