| article html file updated | 9 February 2020 20:52 CET | Update | https://www.mdpi.com/2075-4701/8/6/439 |
| article html file updated | 4 October 2019 10:36 CEST | Update | - |
| article html file updated | 30 April 2019 12:23 CEST | Update | - |
| article html file updated | 16 April 2019 12:47 CEST | Update | - |
| article html file updated | 16 April 2019 07:28 CEST | Update | - |
| article html file updated | 30 March 2019 09:15 CET | Update | - |
| article html file updated | 27 June 2018 15:40 CEST | Update | - |
| article html file updated | 9 June 2018 07:54 CEST | Original file | - |
| article pdf uploaded. | 9 June 2018 07:53 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/6/439/pdf |
| article xml uploaded. | 9 June 2018 07:53 CEST | Update | https://www.mdpi.com/2075-4701/8/6/439/xml |
| article xml file uploaded | 9 June 2018 07:53 CEST | Original file | - |
