| article html file updated | 8 February 2020 15:20 CET | Update | https://www.mdpi.com/2072-6643/9/9/977 |
| article html file updated | 26 September 2019 22:52 CEST | Update | - |
| article html file updated | 3 May 2019 03:34 CEST | Update | - |
| article html file updated | 30 September 2017 13:17 CEST | Update | - |
| article html file updated | 8 September 2017 03:08 CEST | Update | - |
| article xml uploaded. | 8 September 2017 03:06 CEST | Update | https://www.mdpi.com/2072-6643/9/9/977/xml |
| article xml uploaded. | 8 September 2017 03:06 CEST | Update | - |
| article pdf uploaded. | 8 September 2017 03:06 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/9/977/pdf |
| article html file updated | 7 September 2017 05:28 CEST | Original file | - |
| article xml uploaded. | 7 September 2017 05:27 CEST | Original file | - |
| article pdf uploaded. | 7 September 2017 05:27 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/9/977/pdf-vor |
| article pdf uploaded. | 5 September 2017 11:34 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/9/977/pdf-vor |
