| article html file updated | 8 February 2020 15:54 CET | Update | https://www.mdpi.com/2076-2615/7/9/70 |
| article html file updated | 27 September 2019 01:54 CEST | Update | - |
| article html file updated | 3 May 2019 02:30 CEST | Update | - |
| article html file updated | 30 September 2017 10:15 CEST | Update | - |
| article html file updated | 11 September 2017 16:22 CEST | Original file | - |
| article xml uploaded. | 11 September 2017 16:20 CEST | Original file | https://www.mdpi.com/2076-2615/7/9/70/xml |
| article pdf uploaded. | 11 September 2017 16:20 CEST | Updated version of record | https://www.mdpi.com/2076-2615/7/9/70/pdf |
| article pdf uploaded. | 11 September 2017 15:29 CEST | Version of Record | https://www.mdpi.com/2076-2615/7/9/70/pdf-vor |
