| article html file updated | 7 February 2020 23:11 CET | Update | https://www.mdpi.com/2073-4352/7/2/53 |
| article html file updated | 23 September 2019 06:51 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:39 CEST | Update | N/A |
| article html file updated | 2 March 2017 03:47 CET | Update | N/A |
| article html file updated | 11 February 2017 11:38 CET | Original file | N/A |
| article xml uploaded. | 11 February 2017 11:37 CET | Original file | https://www.mdpi.com/2073-4352/7/2/53/xml |
| article pdf uploaded. | 11 February 2017 11:37 CET | Version of Record | https://www.mdpi.com/2073-4352/7/2/53/pdf |
