| article html file updated | 8 February 2020 08:54 CET | Update | https://www.mdpi.com/2076-2607/5/2/34 |
| article html file updated | 3 May 2019 16:17 CEST | Update | N/A |
| article html file updated | 28 June 2018 11:36 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:08 CEST | Update | N/A |
| article html file updated | 21 June 2017 15:27 CEST | Original file | N/A |
| article xml uploaded. | 21 June 2017 15:26 CEST | Original file | https://www.mdpi.com/2076-2607/5/2/34/xml |
| article pdf uploaded. | 21 June 2017 15:26 CEST | Version of Record | https://www.mdpi.com/2076-2607/5/2/34/pdf |
