| article html file updated | 11 February 2020 08:04 CET | Update | https://www.mdpi.com/2306-7381/6/1/6 |
| article html file updated | 13 October 2019 04:16 CEST | Update | - |
| article html file updated | 27 April 2019 08:32 CEST | Update | - |
| article html file updated | 13 April 2019 04:33 CEST | Update | - |
| article html file updated | 10 April 2019 21:50 CEST | Update | - |
| article html file updated | 3 April 2019 01:19 CEST | Update | - |
| article html file updated | 10 January 2019 14:14 CET | Original file | - |
| article pdf uploaded. | 10 January 2019 14:13 CET | Version of Record | https://www.mdpi.com/2306-7381/6/1/6/pdf |
| article xml uploaded. | 10 January 2019 14:13 CET | Update | https://www.mdpi.com/2306-7381/6/1/6/xml |
| article xml file uploaded | 10 January 2019 14:13 CET | Original file | - |
