| article html file updated | 8 February 2020 02:26 CET | Update | https://www.mdpi.com/2076-3417/7/4/331 |
| article html file updated | 24 September 2019 01:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:38 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:05 CEST | Update | N/A |
| article html file updated | 28 March 2017 14:15 CEST | Original file | N/A |
| article xml uploaded. | 28 March 2017 14:14 CEST | Original file | https://www.mdpi.com/2076-3417/7/4/331/xml |
| article pdf uploaded. | 28 March 2017 14:14 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/331/pdf |
