| article html file updated | 8 February 2020 14:28 CET | Update | https://www.mdpi.com/2076-2607/5/3/50 |
| article html file updated | 26 September 2019 18:00 CEST | Update | - |
| article html file updated | 3 May 2019 05:10 CEST | Update | - |
| article html file updated | 30 September 2017 14:19 CEST | Update | - |
| article html file updated | 29 August 2017 12:18 CEST | Original file | - |
| article xml uploaded. | 29 August 2017 12:16 CEST | Original file | https://www.mdpi.com/2076-2607/5/3/50/xml |
| article pdf uploaded. | 29 August 2017 12:16 CEST | Updated version of record | https://www.mdpi.com/2076-2607/5/3/50/pdf |
| article pdf uploaded. | 25 August 2017 16:26 CEST | Version of Record | https://www.mdpi.com/2076-2607/5/3/50/pdf-vor |
