| article html file updated | 9 February 2020 19:04 CET | Update | https://www.mdpi.com/2073-4433/9/6/207 |
| article html file updated | 30 April 2019 16:35 CEST | Update | - |
| article html file updated | 16 April 2019 17:03 CEST | Update | - |
| article html file updated | 30 March 2019 04:43 CET | Update | - |
| article html file updated | 26 June 2018 10:51 CEST | Update | - |
| article html file updated | 25 May 2018 14:11 CEST | Original file | - |
| article pdf uploaded. | 25 May 2018 14:10 CEST | Version of Record | https://www.mdpi.com/2073-4433/9/6/207/pdf |
| article xml uploaded. | 25 May 2018 14:10 CEST | Update | https://www.mdpi.com/2073-4433/9/6/207/xml |
| article xml file uploaded | 25 May 2018 14:10 CEST | Original file | - |
