| article html file updated | 8 February 2020 15:20 CET | Update | https://www.mdpi.com/2076-3417/7/9/912 |
| article html file updated | 26 September 2019 22:55 CEST | Update | - |
| article html file updated | 3 May 2019 03:33 CEST | Update | - |
| article html file updated | 26 September 2017 12:35 CEST | Update | - |
| article html file updated | 6 September 2017 08:14 CEST | Original file | - |
| article xml uploaded. | 6 September 2017 08:13 CEST | Original file | https://www.mdpi.com/2076-3417/7/9/912/xml |
| article pdf uploaded. | 6 September 2017 08:13 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/9/912/pdf |
| article pdf uploaded. | 5 September 2017 11:26 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/9/912/pdf-vor |
