| article html file updated | 8 February 2020 23:28 CET | Update | https://www.mdpi.com/2073-445X/6/4/87 |
| article html file updated | 29 September 2019 01:43 CEST | Update | - |
| article html file updated | 2 May 2019 09:55 CEST | Update | - |
| article html file updated | 18 April 2019 07:35 CEST | Update | - |
| article html file updated | 2 January 2018 14:20 CET | Update | - |
| article html file updated | 11 December 2017 10:53 CET | Update | - |
| article xml uploaded. | 11 December 2017 10:52 CET | Update | https://www.mdpi.com/2073-445X/6/4/87/xml |
| article pdf uploaded. | 11 December 2017 10:52 CET | Updated version of record | https://www.mdpi.com/2073-445X/6/4/87/pdf |
| article html file updated | 8 December 2017 10:10 CET | Update | - |
| article xml uploaded. | 8 December 2017 10:08 CET | Update | - |
| article pdf uploaded. | 8 December 2017 10:08 CET | Updated version of record | https://www.mdpi.com/2073-445X/6/4/87/pdf-vor |
| article html file updated | 7 December 2017 16:45 CET | Original file | - |
| article xml uploaded. | 7 December 2017 16:44 CET | Update | - |
| article xml uploaded. | 7 December 2017 16:44 CET | Original file | - |
| article pdf uploaded. | 7 December 2017 16:44 CET | Version of Record | https://www.mdpi.com/2073-445X/6/4/87/pdf-vor |
