| article html file updated | 7 February 2020 23:42 CET | Update | https://www.mdpi.com/2076-3417/7/2/202 |
| article html file updated | 23 September 2019 09:39 CEST | Update | - |
| article html file updated | 4 May 2019 10:39 CEST | Update | - |
| article html file updated | 1 March 2017 04:41 CET | Update | - |
| article html file updated | 20 February 2017 12:07 CET | Original file | - |
| article xml uploaded. | 20 February 2017 12:06 CET | Original file | https://www.mdpi.com/2076-3417/7/2/202/xml |
| article pdf uploaded. | 20 February 2017 12:06 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/2/202/pdf |
| article pdf uploaded. | 17 February 2017 17:31 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/202/pdf-vor |
