| article html file updated | 7 February 2020 17:16 CET | Update | https://www.mdpi.com/2078-2489/7/4/63 |
| article html file updated | 22 September 2019 04:21 CEST | Update | - |
| article html file updated | 4 May 2019 23:55 CEST | Update | - |
| article html file updated | 29 December 2016 11:06 CET | Update | - |
| article html file updated | 31 October 2016 11:02 CET | Original file | - |
| article xml uploaded. | 31 October 2016 11:01 CET | Update | https://www.mdpi.com/2078-2489/7/4/63/xml |
| article xml uploaded. | 31 October 2016 11:00 CET | Original file | - |
| article pdf uploaded. | 31 October 2016 11:00 CET | Version of Record | https://www.mdpi.com/2078-2489/7/4/63/pdf |
