| article html file updated | 9 February 2020 13:45 CET | Update | https://www.mdpi.com/2076-0787/7/2/36 |
| article html file updated | 1 May 2019 03:38 CEST | Update | - |
| article html file updated | 17 April 2019 04:00 CEST | Update | - |
| article html file updated | 29 March 2019 15:31 CET | Update | - |
| article html file updated | 16 April 2018 04:03 CEST | Original file | - |
| article pdf uploaded. | 16 April 2018 04:02 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/36/pdf |
| article xml uploaded. | 16 April 2018 04:02 CEST | Update | https://www.mdpi.com/2076-0787/7/2/36/xml |
| article xml file uploaded | 16 April 2018 04:02 CEST | Original file | - |
