| article html file updated | 8 February 2020 07:17 CET | Update | https://www.mdpi.com/2075-4418/7/2/32 |
| article html file updated | 25 September 2019 03:17 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:19 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:20 CEST | Update | N/A |
| article html file updated | 2 June 2017 12:38 CEST | Update | N/A |
| article html file updated | 2 June 2017 12:38 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2017 12:36 CEST | Original file | https://www.mdpi.com/2075-4418/7/2/32/xml |
| article pdf uploaded. | 2 June 2017 12:36 CEST | Version of Record | https://www.mdpi.com/2075-4418/7/2/32/pdf |
