| article html file updated | 8 February 2020 14:57 CET | Update | https://www.mdpi.com/2075-4701/7/9/335 |
| article html file updated | 26 September 2019 20:46 CEST | Update | - |
| article html file updated | 3 May 2019 04:16 CEST | Update | - |
| article html file updated | 30 September 2017 09:24 CEST | Update | - |
| article html file updated | 31 August 2017 11:11 CEST | Original file | - |
| article xml uploaded. | 31 August 2017 11:09 CEST | Update | https://www.mdpi.com/2075-4701/7/9/335/xml |
| article xml uploaded. | 31 August 2017 11:09 CEST | Original file | - |
| article pdf uploaded. | 31 August 2017 11:09 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/9/335/pdf |
