| article html file updated | 8 February 2020 01:07 CET | Update | https://www.mdpi.com/1996-1073/10/3/333 |
| article html file updated | 23 September 2019 17:50 CEST | Update | - |
| article html file updated | 4 May 2019 07:29 CEST | Update | - |
| article html file updated | 28 March 2017 11:32 CEST | Update | - |
| article html file updated | 9 March 2017 11:37 CET | Original file | - |
| article xml uploaded. | 9 March 2017 11:36 CET | Original file | https://www.mdpi.com/1996-1073/10/3/333/xml |
| article pdf uploaded. | 9 March 2017 11:36 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/333/pdf |
