| article html file updated | 11 February 2020 20:20 CET | Update | https://www.mdpi.com/2076-0787/8/1/48 |
| article html file updated | 26 April 2019 07:17 CEST | Update | - |
| article html file updated | 12 April 2019 02:41 CEST | Update | - |
| article html file updated | 4 April 2019 08:05 CEST | Update | - |
| article html file updated | 6 March 2019 08:40 CET | Original file | - |
| article pdf uploaded. | 6 March 2019 08:39 CET | Version of Record | https://www.mdpi.com/2076-0787/8/1/48/pdf |
| article xml uploaded. | 6 March 2019 08:39 CET | Update | https://www.mdpi.com/2076-0787/8/1/48/xml |
| article xml file uploaded | 6 March 2019 08:39 CET | Original file | - |
