| article html file updated | 8 February 2020 08:58 CET | Update | https://www.mdpi.com/2075-4442/5/3/20 |
| article html file updated | 25 September 2019 12:03 CEST | Update | - |
| article html file updated | 3 May 2019 16:09 CEST | Update | - |
| article html file updated | 30 September 2017 15:35 CEST | Update | - |
| article html file updated | 22 June 2017 12:18 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 12:17 CEST | Original file | https://www.mdpi.com/2075-4442/5/3/20/xml |
| article pdf uploaded. | 22 June 2017 12:17 CEST | Version of Record | https://www.mdpi.com/2075-4442/5/3/20/pdf |
