| article html file updated | 9 February 2020 14:13 CET | Update | https://www.mdpi.com/2076-0787/7/2/37 |
| article html file updated | 2 October 2019 17:17 CEST | Update | N/A |
| article html file updated | 1 May 2019 02:41 CEST | Update | N/A |
| article html file updated | 17 April 2019 03:10 CEST | Update | N/A |
| article html file updated | 29 March 2019 16:36 CET | Update | N/A |
| article html file updated | 18 April 2018 11:43 CEST | Original file | N/A |
| article pdf uploaded. | 18 April 2018 11:41 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/2/37/pdf |
| article xml uploaded. | 18 April 2018 11:41 CEST | Update | https://www.mdpi.com/2076-0787/7/2/37/xml |
| article xml file uploaded | 18 April 2018 11:41 CEST | Original file | N/A |
