| article html file updated | 9 February 2020 18:07 CET | Update | https://www.mdpi.com/2076-0787/7/2/49 |
| article html file updated | 30 April 2019 18:42 CEST | Update | N/A |
| article html file updated | 16 April 2019 19:09 CEST | Update | N/A |
| article html file updated | 30 March 2019 02:10 CET | Update | N/A |
| article html file updated | 18 May 2018 10:43 CEST | Original file | N/A |
| article pdf uploaded. | 18 May 2018 10:42 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/49/pdf |
| article xml uploaded. | 18 May 2018 10:42 CEST | Update | https://www.mdpi.com/2076-0787/7/2/49/xml |
| article xml file uploaded | 18 May 2018 10:42 CEST | Original file | N/A |
