| article html file updated | 9 February 2020 19:15 CET | Update | https://www.mdpi.com/2073-4344/8/6/227 |
| article html file updated | 4 October 2019 00:24 CEST | Update | - |
| article html file updated | 30 April 2019 16:12 CEST | Update | - |
| article html file updated | 16 April 2019 16:41 CEST | Update | - |
| article html file updated | 30 March 2019 05:07 CET | Update | - |
| article html file updated | 25 June 2018 12:39 CEST | Update | - |
| article html file updated | 28 May 2018 07:03 CEST | Original file | - |
| article pdf uploaded. | 28 May 2018 07:02 CEST | Version of Record | https://www.mdpi.com/2073-4344/8/6/227/pdf |
| article xml uploaded. | 28 May 2018 07:02 CEST | Update | https://www.mdpi.com/2073-4344/8/6/227/xml |
| article xml file uploaded | 28 May 2018 07:02 CEST | Original file | - |
