| article html file updated | 8 February 2020 03:30 CET | Update | https://www.mdpi.com/2071-1050/9/4/598 |
| article html file updated | 24 September 2019 07:08 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:23 CEST | Update | N/A |
| article html file updated | 28 April 2017 11:02 CEST | Update | N/A |
| article html file updated | 25 April 2017 18:56 CEST | Update | N/A |
| article xml uploaded. | 25 April 2017 18:54 CEST | Update | https://www.mdpi.com/2071-1050/9/4/598/xml |
| article pdf uploaded. | 25 April 2017 18:54 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/4/598/pdf |
| article html file updated | 13 April 2017 10:54 CEST | Original file | N/A |
