| article html file updated | 8 February 2020 01:30 CET | Update | https://www.mdpi.com/2075-4442/5/1/7 |
| article html file updated | 23 September 2019 20:01 CEST | Update | - |
| article html file updated | 4 May 2019 06:38 CEST | Update | - |
| article html file updated | 29 March 2017 10:31 CEST | Update | - |
| article html file updated | 15 March 2017 10:50 CET | Original file | - |
| article xml uploaded. | 15 March 2017 10:49 CET | Update | https://www.mdpi.com/2075-4442/5/1/7/xml |
| article pdf uploaded. | 15 March 2017 10:49 CET | Version of Record | https://www.mdpi.com/2075-4442/5/1/7/pdf |
