| article html file updated | 7 February 2020 08:23 CET | Update | https://www.mdpi.com/2076-3417/6/5/140 |
| article html file updated | 5 May 2019 16:23 CEST | Update | - |
| article html file updated | 27 March 2019 04:09 CET | Update | - |
| article html file updated | 26 May 2016 10:07 CEST | Update | - |
| article html file updated | 9 May 2016 12:15 CEST | Original file | - |
| article xml uploaded. | 9 May 2016 12:13 CEST | Original file | https://www.mdpi.com/2076-3417/6/5/140/xml |
| article pdf uploaded. | 9 May 2016 12:13 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/5/140/pdf |
