| article html file updated | 8 February 2020 06:33 CET | Update | https://www.mdpi.com/2073-4352/7/6/150 |
| article html file updated | 24 September 2019 23:35 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:41 CEST | Update | N/A |
| article html file updated | 30 June 2017 11:22 CEST | Update | N/A |
| article html file updated | 24 May 2017 18:00 CEST | Original file | N/A |
| article xml uploaded. | 24 May 2017 17:58 CEST | Original file | https://www.mdpi.com/2073-4352/7/6/150/xml |
| article pdf uploaded. | 24 May 2017 17:58 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/6/150/pdf |
