| article html file updated | 8 February 2020 09:36 CET | Update | https://www.mdpi.com/2075-4442/5/3/21 |
| article html file updated | 25 September 2019 15:29 CEST | Update | - |
| article html file updated | 3 May 2019 14:58 CEST | Update | - |
| article html file updated | 30 September 2017 15:35 CEST | Update | - |
| article html file updated | 30 June 2017 13:53 CEST | Original file | - |
| article xml uploaded. | 30 June 2017 13:52 CEST | Original file | https://www.mdpi.com/2075-4442/5/3/21/xml |
| article pdf uploaded. | 30 June 2017 13:52 CEST | Updated version of record | https://www.mdpi.com/2075-4442/5/3/21/pdf |
| article pdf uploaded. | 29 June 2017 13:15 CEST | Version of Record | https://www.mdpi.com/2075-4442/5/3/21/pdf-vor |
