| article html file updated | 7 February 2020 08:24 CET | Update | https://www.mdpi.com/2076-3417/6/5/135 |
| article html file updated | 5 May 2019 16:22 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:10 CET | Update | N/A |
| article html file updated | 26 May 2016 10:06 CEST | Update | N/A |
| article html file updated | 10 May 2016 09:48 CEST | Original file | N/A |
| article xml uploaded. | 10 May 2016 09:46 CEST | Original file | https://www.mdpi.com/2076-3417/6/5/135/xml |
| article pdf uploaded. | 10 May 2016 09:46 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/5/135/pdf |
