| article html file updated | 9 February 2020 05:31 CET | Update | https://www.mdpi.com/2076-3417/8/2/239 |
| article html file updated | 30 September 2019 12:44 CEST | Update | - |
| article html file updated | 1 May 2019 20:57 CEST | Update | - |
| article html file updated | 17 April 2019 19:55 CEST | Update | - |
| article html file updated | 28 March 2019 20:56 CET | Update | - |
| article html file updated | 14 March 2018 10:56 CET | Update | - |
| article html file updated | 7 February 2018 09:34 CET | Original file | - |
| article xml uploaded. | 7 February 2018 09:33 CET | Update | https://www.mdpi.com/2076-3417/8/2/239/xml |
| article xml uploaded. | 7 February 2018 09:33 CET | Update | - |
| article xml uploaded. | 7 February 2018 09:33 CET | Update | - |
| article xml uploaded. | 7 February 2018 09:33 CET | Original file | - |
| article pdf uploaded. | 7 February 2018 09:33 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/2/239/pdf |
| article pdf uploaded. | 5 February 2018 07:54 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/239/pdf-vor |
