| article html file updated | 8 February 2020 15:36 CET | Update | https://www.mdpi.com/2076-3417/7/9/921 |
| article html file updated | 27 September 2019 00:19 CEST | Update | - |
| article html file updated | 3 May 2019 03:03 CEST | Update | - |
| article html file updated | 26 September 2017 12:38 CEST | Update | - |
| article html file updated | 8 September 2017 11:56 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 11:55 CEST | Update | https://www.mdpi.com/2076-3417/7/9/921/xml |
| article xml uploaded. | 8 September 2017 11:55 CEST | Update | - |
| article xml uploaded. | 8 September 2017 11:55 CEST | Original file | - |
| article pdf uploaded. | 8 September 2017 11:55 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/9/921/pdf |
| article pdf uploaded. | 7 September 2017 13:43 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/9/921/pdf-vor |
