| article html file updated | 9 February 2020 20:18 CET | Update | https://www.mdpi.com/2075-4434/6/2/60 |
| article html file updated | 30 April 2019 13:44 CEST | Update | - |
| article html file updated | 16 April 2019 14:21 CEST | Update | - |
| article html file updated | 30 March 2019 07:43 CET | Update | - |
| article html file updated | 28 June 2018 08:49 CEST | Update | - |
| article html file updated | 5 June 2018 10:22 CEST | Original file | - |
| article pdf uploaded. | 5 June 2018 10:21 CEST | Version of Record | https://www.mdpi.com/2075-4434/6/2/60/pdf |
| article xml uploaded. | 5 June 2018 10:21 CEST | Update | https://www.mdpi.com/2075-4434/6/2/60/xml |
| article xml file uploaded | 5 June 2018 10:21 CEST | Original file | - |
