| article html file updated | 7 February 2020 22:54 CET | Update | https://www.mdpi.com/2076-3417/7/2/145 |
| article html file updated | 23 September 2019 05:18 CEST | Update | - |
| article html file updated | 4 May 2019 12:13 CEST | Update | - |
| article html file updated | 1 March 2017 04:29 CET | Update | - |
| article html file updated | 8 February 2017 15:53 CET | Original file | - |
| article xml uploaded. | 8 February 2017 15:52 CET | Original file | https://www.mdpi.com/2076-3417/7/2/145/xml |
| article pdf uploaded. | 8 February 2017 15:52 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/145/pdf |
