| article html file updated | 8 February 2020 09:05 CET | Update | https://www.mdpi.com/2075-4418/7/2/37 |
| article html file updated | 25 September 2019 12:39 CEST | Update | - |
| article html file updated | 3 May 2019 15:56 CEST | Update | - |
| article html file updated | 29 June 2017 11:19 CEST | Update | - |
| article html file updated | 23 June 2017 12:10 CEST | Original file | - |
| article xml uploaded. | 23 June 2017 12:09 CEST | Original file | https://www.mdpi.com/2075-4418/7/2/37/xml |
| article pdf uploaded. | 23 June 2017 12:09 CEST | Version of Record | https://www.mdpi.com/2075-4418/7/2/37/pdf |
