| article html file updated | 8 February 2020 06:58 CET | Update | https://www.mdpi.com/2075-4434/5/2/25 |
| article html file updated | 3 May 2019 19:56 CEST | Update | - |
| article html file updated | 29 June 2017 11:31 CEST | Update | - |
| article html file updated | 3 June 2017 10:44 CEST | Original file | - |
| article xml uploaded. | 3 June 2017 10:43 CEST | Original file | https://www.mdpi.com/2075-4434/5/2/25/xml |
| article pdf uploaded. | 3 June 2017 10:43 CEST | Updated version of record | https://www.mdpi.com/2075-4434/5/2/25/pdf |
| article pdf uploaded. | 29 May 2017 11:08 CEST | Version of Record | https://www.mdpi.com/2075-4434/5/2/25/pdf-vor |
