| article html file updated | 7 February 2020 12:28 CET | Update | https://www.mdpi.com/2076-3417/6/8/212 |
| article html file updated | 5 May 2019 08:44 CEST | Update | - |
| article html file updated | 27 March 2019 11:42 CET | Update | - |
| article html file updated | 25 August 2016 07:11 CEST | Update | - |
| article html file updated | 28 July 2016 10:55 CEST | Original file | - |
| article xml uploaded. | 28 July 2016 10:53 CEST | Update | https://www.mdpi.com/2076-3417/6/8/212/xml |
| article pdf uploaded. | 28 July 2016 10:53 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/8/212/pdf |
