| article html file updated | 11 February 2020 21:36 CET | Update | https://www.mdpi.com/2076-0787/8/1/54 |
| article html file updated | 26 April 2019 04:30 CEST | Update | - |
| article html file updated | 11 April 2019 23:37 CEST | Update | - |
| article html file updated | 4 April 2019 11:40 CEST | Update | - |
| article html file updated | 12 March 2019 10:35 CET | Original file | - |
| article pdf uploaded. | 12 March 2019 10:33 CET | Version of Record | https://www.mdpi.com/2076-0787/8/1/54/pdf |
| article xml uploaded. | 12 March 2019 10:33 CET | Update | https://www.mdpi.com/2076-0787/8/1/54/xml |
| article xml file uploaded | 12 March 2019 10:33 CET | Original file | - |
