| article html file updated | 8 February 2020 10:58 CET | Update | https://www.mdpi.com/2075-4418/7/3/42 |
| article html file updated | 3 May 2019 12:28 CEST | Update | - |
| article html file updated | 30 September 2017 11:26 CEST | Update | - |
| article html file updated | 13 July 2017 15:46 CEST | Update | - |
| article html file updated | 13 July 2017 15:45 CEST | Update | - |
| article html file updated | 13 July 2017 15:44 CEST | Original file | - |
| article xml uploaded. | 13 July 2017 15:43 CEST | Original file | https://www.mdpi.com/2075-4418/7/3/42/xml |
| article pdf uploaded. | 13 July 2017 15:43 CEST | Version of Record | https://www.mdpi.com/2075-4418/7/3/42/pdf |
