| article html file updated | 8 February 2020 06:30 CET | Update | https://www.mdpi.com/2076-2607/5/2/28 |
| article html file updated | 24 September 2019 23:19 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:47 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:07 CEST | Update | N/A |
| article html file updated | 23 May 2017 14:35 CEST | Original file | N/A |
| article xml uploaded. | 23 May 2017 14:34 CEST | Original file | https://www.mdpi.com/2076-2607/5/2/28/xml |
| article pdf uploaded. | 23 May 2017 14:34 CEST | Version of Record | https://www.mdpi.com/2076-2607/5/2/28/pdf |
