| article html file updated | 7 February 2020 03:49 CET | Update | https://www.mdpi.com/1660-4601/13/2/156 |
| article html file updated | 21 September 2019 10:15 CEST | Update | N/A |
| article html file updated | 6 May 2019 01:50 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:13 CET | Original file | N/A |
| article pdf uploaded. | 25 January 2016 08:46 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/156/pdf |
| article xml uploaded. | 25 January 2016 08:46 CET | Original file | https://www.mdpi.com/1660-4601/13/2/156/xml |
