| article html file updated | 7 February 2020 05:50 CET | Update | https://www.mdpi.com/2225-1146/4/1/16 |
| article html file updated | 5 May 2019 21:35 CEST | Update | - |
| article html file updated | 26 March 2019 23:22 CET | Update | - |
| article html file updated | 14 March 2018 10:02 CET | Original file | - |
| article pdf uploaded. | 14 March 2016 08:18 CET | Version of Record | https://www.mdpi.com/2225-1146/4/1/16/pdf |
| article xml uploaded. | 14 March 2016 08:18 CET | Original file | https://www.mdpi.com/2225-1146/4/1/16/xml |
