| article html file updated | 9 February 2020 07:07 CET | Update | https://www.mdpi.com/2076-3417/8/2/303 |
| article html file updated | 30 September 2019 22:07 CEST | Update | - |
| article html file updated | 1 May 2019 17:24 CEST | Update | - |
| article html file updated | 17 April 2019 16:46 CEST | Update | - |
| article html file updated | 29 March 2019 00:21 CET | Update | - |
| article html file updated | 14 March 2018 12:03 CET | Update | - |
| article html file updated | 23 February 2018 14:00 CET | Original file | - |
| article xml uploaded. | 23 February 2018 13:59 CET | Update | https://www.mdpi.com/2076-3417/8/2/303/xml |
| article xml uploaded. | 23 February 2018 13:59 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 13:59 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/2/303/pdf |
| article pdf uploaded. | 20 February 2018 10:02 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/303/pdf-vor |
