| article html file updated | 8 February 2020 01:05 CET | Update | https://www.mdpi.com/2071-1050/9/3/403 |
| article html file updated | 23 September 2019 17:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 07:32 CEST | Update | N/A |
| article html file updated | 28 March 2017 06:10 CEST | Update | N/A |
| article html file updated | 9 March 2017 10:10 CET | Original file | N/A |
| article xml uploaded. | 9 March 2017 10:09 CET | Original file | https://www.mdpi.com/2071-1050/9/3/403/xml |
| article pdf uploaded. | 9 March 2017 10:09 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/403/pdf |
