| article html file updated | 7 February 2020 21:40 CET | Update | https://www.mdpi.com/2071-1050/9/1/132 |
| article html file updated | 22 September 2019 22:30 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:45 CEST | Update | N/A |
| article html file updated | 7 February 2017 10:19 CET | Update | N/A |
| article html file updated | 18 January 2017 09:05 CET | Original file | N/A |
| article xml uploaded. | 18 January 2017 09:04 CET | Original file | https://www.mdpi.com/2071-1050/9/1/132/xml |
| article pdf uploaded. | 18 January 2017 09:04 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/132/pdf |
