| article html file updated | 8 February 2020 06:29 CET | Update | https://www.mdpi.com/2075-4442/5/2/13 |
| article html file updated | 24 September 2019 23:12 CEST | Update | - |
| article html file updated | 3 May 2019 20:50 CEST | Update | - |
| article html file updated | 30 June 2017 09:09 CEST | Update | - |
| article html file updated | 23 May 2017 12:19 CEST | Original file | - |
| article xml uploaded. | 23 May 2017 12:17 CEST | Update | https://www.mdpi.com/2075-4442/5/2/13/xml |
| article pdf uploaded. | 23 May 2017 12:17 CEST | Version of Record | https://www.mdpi.com/2075-4442/5/2/13/pdf |
