| article html file updated | 7 February 2020 22:47 CET | Update | https://www.mdpi.com/1660-4601/14/2/156 |
| article html file updated | 23 September 2019 04:36 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:27 CEST | Update | N/A |
| article html file updated | 2 March 2017 10:31 CET | Update | N/A |
| article html file updated | 7 February 2017 12:04 CET | Original file | N/A |
| article xml uploaded. | 7 February 2017 12:02 CET | Original file | https://www.mdpi.com/1660-4601/14/2/156/xml |
| article pdf uploaded. | 7 February 2017 12:02 CET | Version of Record | https://www.mdpi.com/1660-4601/14/2/156/pdf |
