| article html file updated | 9 February 2020 14:28 CET | Update | https://www.mdpi.com/2076-0787/7/2/38 |
| article html file updated | 1 May 2019 02:13 CEST | Update | - |
| article html file updated | 17 April 2019 02:44 CEST | Update | - |
| article html file updated | 29 March 2019 17:10 CET | Update | - |
| article html file updated | 19 April 2018 10:47 CEST | Original file | - |
| article pdf uploaded. | 19 April 2018 10:46 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/38/pdf |
| article xml uploaded. | 19 April 2018 10:46 CEST | Update | https://www.mdpi.com/2076-0787/7/2/38/xml |
| article xml file uploaded | 19 April 2018 10:46 CEST | Original file | - |
