| article html file updated | 7 February 2020 06:10 CET | Update | https://www.mdpi.com/1660-3397/14/3/47 |
| article html file updated | 5 May 2019 20:54 CEST | Update | - |
| article html file updated | 26 March 2019 23:55 CET | Update | - |
| article html file updated | 28 March 2016 11:17 CEST | Original file | - |
| article xml uploaded. | 23 March 2016 05:56 CET | Update | https://www.mdpi.com/1660-3397/14/3/47/xml |
| article pdf uploaded. | 23 March 2016 05:56 CET | Updated version of record | https://www.mdpi.com/1660-3397/14/3/47/pdf |
| article pdf uploaded. | 21 March 2016 09:55 CET | Version of Record | https://www.mdpi.com/1660-3397/14/3/47/pdf-vor |
