| article html file updated | 8 February 2020 16:02 CET | Update | https://www.mdpi.com/2225-1146/5/3/42 |
| article html file updated | 3 May 2019 02:15 CEST | Update | - |
| article html file updated | 14 March 2018 10:14 CET | Update | - |
| article html file updated | 13 September 2017 11:35 CEST | Original file | - |
| article xml uploaded. | 13 September 2017 11:33 CEST | Original file | https://www.mdpi.com/2225-1146/5/3/42/xml |
| article pdf uploaded. | 13 September 2017 11:33 CEST | Version of Record | https://www.mdpi.com/2225-1146/5/3/42/pdf |
