| article html file updated | 7 February 2020 21:02 CET | Update | https://www.mdpi.com/2075-4450/8/1/5 |
| article html file updated | 22 September 2019 19:21 CEST | Update | - |
| article html file updated | 4 May 2019 16:15 CEST | Update | - |
| article html file updated | 30 March 2017 10:57 CEST | Update | - |
| article html file updated | 10 January 2017 10:34 CET | Original file | - |
| article xml uploaded. | 10 January 2017 10:33 CET | Original file | https://www.mdpi.com/2075-4450/8/1/5/xml |
| article pdf uploaded. | 10 January 2017 10:33 CET | Updated version of record | https://www.mdpi.com/2075-4450/8/1/5/pdf |
| article pdf uploaded. | 8 January 2017 13:27 CET | Version of Record | https://www.mdpi.com/2075-4450/8/1/5/pdf-vor |
