| article html file updated | 7 February 2020 08:13 CET | Update | https://www.mdpi.com/2076-3417/6/5/133 |
| article html file updated | 5 May 2019 16:44 CEST | Update | - |
| article html file updated | 27 March 2019 03:47 CET | Update | - |
| article html file updated | 26 May 2016 10:06 CEST | Update | - |
| article html file updated | 5 May 2016 09:53 CEST | Original file | - |
| article xml uploaded. | 5 May 2016 09:52 CEST | Original file | https://www.mdpi.com/2076-3417/6/5/133/xml |
| article pdf uploaded. | 5 May 2016 09:52 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/5/133/pdf |
