| article html file updated | 8 February 2020 15:28 CET | Update | https://www.mdpi.com/2076-2607/5/3/56 |
| article html file updated | 26 September 2019 23:34 CEST | Update | - |
| article html file updated | 3 May 2019 03:19 CEST | Update | - |
| article html file updated | 30 September 2017 14:19 CEST | Update | - |
| article html file updated | 6 September 2017 15:40 CEST | Original file | - |
| article xml uploaded. | 6 September 2017 15:39 CEST | Original file | https://www.mdpi.com/2076-2607/5/3/56/xml |
| article pdf uploaded. | 6 September 2017 15:39 CEST | Updated version of record | https://www.mdpi.com/2076-2607/5/3/56/pdf |
| article pdf uploaded. | 6 September 2017 14:22 CEST | Version of Record | - |
