| article html file updated | 8 February 2020 01:18 CET | Update | https://www.mdpi.com/2075-163X/7/3/39 |
| article html file updated | 23 September 2019 18:56 CEST | Update | - |
| article html file updated | 4 May 2019 07:04 CEST | Update | - |
| article html file updated | 29 March 2017 06:03 CEST | Update | - |
| article html file updated | 12 March 2017 09:24 CET | Original file | - |
| article xml uploaded. | 12 March 2017 09:23 CET | Update | https://www.mdpi.com/2075-163X/7/3/39/xml |
| article pdf uploaded. | 12 March 2017 09:22 CET | Version of Record | https://www.mdpi.com/2075-163X/7/3/39/pdf |
