| article html file updated | 8 February 2020 04:28 CET | Update | https://www.mdpi.com/2077-1444/8/5/77 |
| article html file updated | 4 May 2019 00:35 CEST | Update | - |
| article html file updated | 1 June 2017 06:07 CEST | Update | - |
| article html file updated | 27 May 2017 03:26 CEST | Update | - |
| article html file updated | 27 April 2017 03:28 CEST | Original file | - |
| article xml uploaded. | 27 April 2017 03:27 CEST | Original file | https://www.mdpi.com/2077-1444/8/5/77/xml |
| article pdf uploaded. | 27 April 2017 03:27 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/5/77/pdf |
