| article html file updated | 8 February 2020 08:34 CET | Update | https://www.mdpi.com/2076-3417/7/6/630 |
| article html file updated | 25 September 2019 09:54 CEST | Update | - |
| article html file updated | 3 May 2019 16:55 CEST | Update | - |
| article html file updated | 27 June 2017 09:47 CEST | Update | - |
| article html file updated | 20 June 2017 07:32 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 07:31 CEST | Original file | https://www.mdpi.com/2076-3417/7/6/630/xml |
| article pdf uploaded. | 20 June 2017 07:31 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/6/630/pdf |
| article pdf uploaded. | 17 June 2017 13:33 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/630/pdf-vor |
