| article html file updated | 13 February 2020 18:04 CET | Update | https://www.mdpi.com/2075-4442/7/9/81 |
| article html file updated | 25 September 2019 23:27 CEST | Update | - |
| article html file updated | 17 September 2019 06:22 CEST | Update | - |
| article html file updated | 17 September 2019 06:21 CEST | Update | - |
| article html file updated | 17 September 2019 06:20 CEST | Original file | - |
| article pdf uploaded. | 17 September 2019 06:18 CEST | Version of Record | https://www.mdpi.com/2075-4442/7/9/81/pdf |
| article xml uploaded. | 17 September 2019 06:18 CEST | Update | https://www.mdpi.com/2075-4442/7/9/81/xml |
| article xml file uploaded | 17 September 2019 06:18 CEST | Original file | - |
