| article html file updated | 8 February 2020 03:16 CET | Update | https://www.mdpi.com/2075-4701/7/4/132 |
| article html file updated | 24 September 2019 06:00 CEST | Update | - |
| article html file updated | 4 May 2019 02:50 CEST | Update | - |
| article html file updated | 28 April 2017 06:57 CEST | Update | - |
| article html file updated | 12 April 2017 22:22 CEST | Original file | - |
| article xml uploaded. | 12 April 2017 06:30 CEST | Update | https://www.mdpi.com/2075-4701/7/4/132/xml |
| article pdf uploaded. | 12 April 2017 06:30 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/4/132/pdf |
| article pdf uploaded. | 10 April 2017 11:52 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/132/pdf-vor |
