| article html file updated | 7 February 2020 02:34 CET | Update | https://www.mdpi.com/1660-4601/13/1/66 |
| article html file updated | 21 September 2019 08:24 CEST | Update | - |
| article html file updated | 6 May 2019 04:16 CEST | Update | - |
| article html file updated | 26 March 2019 17:02 CET | Original file | - |
| article pdf uploaded. | 22 December 2015 18:28 CET | Updated version of record | https://www.mdpi.com/1660-4601/13/1/66/pdf |
| article xml uploaded. | 22 December 2015 18:28 CET | Update | https://www.mdpi.com/1660-4601/13/1/66/xml |
| article pdf uploaded. | 22 December 2015 16:21 CET | Version of Record | - |
| article xml uploaded. | 22 December 2015 16:21 CET | Original file | - |
