| article html file updated | 7 February 2020 02:32 CET | Update | https://www.mdpi.com/1660-4601/13/1/14 |
| article html file updated | 21 September 2019 08:21 CEST | Update | N/A |
| article html file updated | 6 May 2019 04:22 CEST | Update | N/A |
| article html file updated | 26 March 2019 16:57 CET | Original file | N/A |
| article pdf uploaded. | 22 December 2015 15:19 CET | Updated version of record | https://www.mdpi.com/1660-4601/13/1/14/pdf |
| article pdf uploaded. | 22 December 2015 14:35 CET | Version of Record | N/A |
| article xml uploaded. | 22 December 2015 14:35 CET | Original file | https://www.mdpi.com/1660-4601/13/1/14/xml |
