| article html file updated | 7 February 2020 09:38 CET | Update | https://www.mdpi.com/2076-3417/6/6/167 |
| article html file updated | 5 May 2019 13:57 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:26 CET | Update | N/A |
| article html file updated | 28 June 2016 08:28 CEST | Update | N/A |
| article html file updated | 2 June 2016 09:59 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2016 09:57 CEST | Original file | https://www.mdpi.com/2076-3417/6/6/167/xml |
| article pdf uploaded. | 2 June 2016 09:57 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/6/167/pdf |
