| article html file updated | 7 February 2020 02:31 CET | Update | https://www.mdpi.com/1660-4601/13/1/40 |
| article html file updated | 21 September 2019 08:20 CEST | Update | - |
| article html file updated | 6 May 2019 04:25 CEST | Update | - |
| article html file updated | 26 March 2019 16:55 CET | Original file | - |
| article xml uploaded. | 23 December 2015 13:49 CET | Update | https://www.mdpi.com/1660-4601/13/1/40/xml |
| article pdf uploaded. | 23 December 2015 13:49 CET | Updated version of record | https://www.mdpi.com/1660-4601/13/1/40/pdf |
| article pdf uploaded. | 22 December 2015 17:00 CET | Version of Record | - |
| article xml uploaded. | 22 December 2015 17:00 CET | Original file | - |
