| article html file updated | 8 February 2020 14:22 CET | Update | https://www.mdpi.com/2073-4425/8/9/211 |
| article html file updated | 26 September 2019 17:34 CEST | Update | - |
| article html file updated | 3 May 2019 05:21 CEST | Update | - |
| article html file updated | 30 September 2017 10:28 CEST | Update | - |
| article html file updated | 24 August 2017 12:21 CEST | Original file | - |
| article xml uploaded. | 24 August 2017 12:20 CEST | Original file | https://www.mdpi.com/2073-4425/8/9/211/xml |
| article pdf uploaded. | 24 August 2017 12:20 CEST | Version of Record | https://www.mdpi.com/2073-4425/8/9/211/pdf |
