| article html file updated | 9 February 2020 06:26 CET | Update | https://www.mdpi.com/2076-3417/8/2/277 |
| article html file updated | 30 September 2019 18:10 CEST | Update | - |
| article html file updated | 1 May 2019 18:53 CEST | Update | - |
| article html file updated | 17 April 2019 18:08 CEST | Update | - |
| article html file updated | 28 March 2019 22:53 CET | Update | - |
| article html file updated | 14 March 2018 11:40 CET | Update | - |
| article html file updated | 22 February 2018 11:14 CET | Original file | - |
| article xml uploaded. | 22 February 2018 11:13 CET | Original file | https://www.mdpi.com/2076-3417/8/2/277/xml |
| article pdf uploaded. | 22 February 2018 11:13 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/2/277/pdf |
| article pdf uploaded. | 12 February 2018 13:27 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/277/pdf-vor |
