| article html file updated | 7 February 2020 22:39 CET | Update | https://www.mdpi.com/2076-3417/7/2/141 |
| article html file updated | 23 September 2019 03:49 CEST | Update | - |
| article html file updated | 4 May 2019 12:44 CEST | Update | - |
| article html file updated | 1 March 2017 04:29 CET | Update | - |
| article html file updated | 4 February 2017 09:41 CET | Original file | - |
| article xml uploaded. | 4 February 2017 09:40 CET | Update | https://www.mdpi.com/2076-3417/7/2/141/xml |
| article xml uploaded. | 4 February 2017 09:40 CET | Original file | - |
| article pdf uploaded. | 4 February 2017 09:40 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/141/pdf |
