| article html file updated | 8 February 2020 03:36 CET | Update | https://www.mdpi.com/2076-3417/7/4/393 |
| article html file updated | 24 September 2019 07:46 CEST | Update | - |
| article html file updated | 4 May 2019 02:12 CEST | Update | - |
| article html file updated | 28 April 2017 05:19 CEST | Update | - |
| article html file updated | 14 April 2017 12:40 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 12:39 CEST | Original file | https://www.mdpi.com/2076-3417/7/4/393/xml |
| article pdf uploaded. | 14 April 2017 12:39 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/393/pdf |
