| article html file updated | 8 February 2020 01:34 CET | Update | https://www.mdpi.com/2071-1050/9/3/436 |
| article html file updated | 23 September 2019 20:22 CEST | Update | - |
| article html file updated | 4 May 2019 06:31 CEST | Update | - |
| article html file updated | 28 March 2017 06:14 CEST | Update | - |
| article html file updated | 16 March 2017 09:30 CET | Original file | - |
| article xml uploaded. | 16 March 2017 09:29 CET | Original file | https://www.mdpi.com/2071-1050/9/3/436/xml |
| article pdf uploaded. | 16 March 2017 09:29 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/436/pdf |
