| article html file updated | 8 February 2020 02:18 CET | Update | https://www.mdpi.com/1996-1073/10/4/433 |
| article html file updated | 24 September 2019 00:34 CEST | Update | - |
| article html file updated | 4 May 2019 04:54 CEST | Update | - |
| article html file updated | 28 April 2017 05:56 CEST | Update | - |
| article html file updated | 27 March 2017 07:46 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 07:44 CEST | Original file | https://www.mdpi.com/1996-1073/10/4/433/xml |
| article pdf uploaded. | 27 March 2017 07:44 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/433/pdf |
