| article html file updated | 8 February 2020 05:52 CET | Update | https://www.mdpi.com/2071-1050/9/5/821 |
| article html file updated | 24 September 2019 19:59 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:01 CEST | Update | N/A |
| article html file updated | 31 May 2017 10:44 CEST | Update | N/A |
| article html file updated | 23 May 2017 04:14 CEST | Update | N/A |
| article html file updated | 15 May 2017 11:14 CEST | Original file | N/A |
| article xml uploaded. | 15 May 2017 11:13 CEST | Original file | https://www.mdpi.com/2071-1050/9/5/821/xml |
| article pdf uploaded. | 15 May 2017 11:13 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/5/821/pdf |
