| article html file updated | 8 February 2020 06:51 CET | Update | https://www.mdpi.com/2076-3417/7/6/556 |
| article html file updated | 25 September 2019 01:10 CEST | Update | - |
| article html file updated | 3 May 2019 20:07 CEST | Update | - |
| article html file updated | 27 June 2017 09:31 CEST | Update | - |
| article html file updated | 27 May 2017 09:30 CEST | Original file | - |
| article xml uploaded. | 27 May 2017 09:29 CEST | Update | https://www.mdpi.com/2076-3417/7/6/556/xml |
| article pdf uploaded. | 27 May 2017 09:29 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/556/pdf |
