| article html file updated | 9 February 2020 18:41 CET | Update | https://www.mdpi.com/2073-4433/9/6/204 |
| article html file updated | 3 October 2019 21:03 CEST | Update | - |
| article html file updated | 30 April 2019 17:29 CEST | Update | - |
| article html file updated | 16 April 2019 17:55 CEST | Update | - |
| article html file updated | 30 March 2019 03:42 CET | Update | - |
| article html file updated | 26 June 2018 10:50 CEST | Update | - |
| article html file updated | 23 May 2018 09:53 CEST | Original file | - |
| article pdf uploaded. | 23 May 2018 09:51 CEST | Version of Record | https://www.mdpi.com/2073-4433/9/6/204/pdf |
| article xml uploaded. | 23 May 2018 09:51 CEST | Update | https://www.mdpi.com/2073-4433/9/6/204/xml |
| article xml file uploaded | 23 May 2018 09:51 CEST | Original file | - |
