| article html file updated | 7 February 2020 09:09 CET | Update | https://www.mdpi.com/2071-1050/8/5/501 |
| article html file updated | 5 May 2019 14:57 CEST | Update | - |
| article html file updated | 27 March 2019 05:30 CET | Update | - |
| article html file updated | 27 May 2016 11:53 CEST | Update | - |
| article html file updated | 23 May 2016 13:53 CEST | Original file | - |
| article xml uploaded. | 23 May 2016 13:52 CEST | Original file | https://www.mdpi.com/2071-1050/8/5/501/xml |
| article pdf uploaded. | 23 May 2016 13:52 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/5/501/pdf |
