| article html file updated | 8 February 2020 07:39 CET | Update | https://www.mdpi.com/2304-6775/5/2/17 |
| article html file updated | 3 May 2019 18:38 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:22 CEST | Update | N/A |
| article html file updated | 7 June 2017 11:37 CEST | Original file | N/A |
| article xml uploaded. | 7 June 2017 11:36 CEST | Original file | https://www.mdpi.com/2304-6775/5/2/17/xml |
| article pdf uploaded. | 7 June 2017 11:36 CEST | Version of Record | https://www.mdpi.com/2304-6775/5/2/17/pdf |
