| article html file updated | 8 February 2020 04:44 CET | Update | https://www.mdpi.com/2075-4701/7/5/157 |
| article html file updated | 24 September 2019 14:10 CEST | Update | - |
| article html file updated | 4 May 2019 00:05 CEST | Update | - |
| article html file updated | 31 May 2017 10:05 CEST | Update | - |
| article html file updated | 10 May 2017 14:16 CEST | Update | - |
| article xml uploaded. | 10 May 2017 14:15 CEST | Update | https://www.mdpi.com/2075-4701/7/5/157/xml |
| article pdf uploaded. | 10 May 2017 14:15 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/5/157/pdf |
| article html file updated | 29 April 2017 13:05 CEST | Original file | - |
| article pdf uploaded. | 29 April 2017 13:04 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/5/157/pdf-vor |
