| article html file updated | 8 February 2020 08:53 CET | Update | https://www.mdpi.com/2076-3417/7/6/641 |
| article html file updated | 25 September 2019 11:35 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:19 CEST | Update | N/A |
| article html file updated | 27 June 2017 09:50 CEST | Update | N/A |
| article html file updated | 21 June 2017 13:36 CEST | Original file | N/A |
| article xml uploaded. | 21 June 2017 13:35 CEST | Original file | https://www.mdpi.com/2076-3417/7/6/641/xml |
| article pdf uploaded. | 21 June 2017 13:35 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/641/pdf |
