| article html file updated | 7 February 2020 02:49 CET | Update | https://www.mdpi.com/1660-4601/13/1/91 |
| article html file updated | 21 September 2019 08:50 CEST | Update | N/A |
| article html file updated | 6 May 2019 03:42 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:26 CET | Original file | N/A |
| article pdf uploaded. | 29 December 2015 10:53 CET | Version of Record | https://www.mdpi.com/1660-4601/13/1/91/pdf |
| article xml uploaded. | 29 December 2015 10:53 CET | Original file | https://www.mdpi.com/1660-4601/13/1/91/xml |
