| article html file updated | 8 February 2020 03:54 CET | Update | https://www.mdpi.com/2075-4701/7/4/145 |
| article html file updated | 24 September 2019 09:39 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:36 CEST | Update | N/A |
| article html file updated | 28 April 2017 07:01 CEST | Update | N/A |
| article html file updated | 21 April 2017 04:37 CEST | Original file | N/A |
| article xml uploaded. | 21 April 2017 04:36 CEST | Update | https://www.mdpi.com/2075-4701/7/4/145/xml |
| article pdf uploaded. | 21 April 2017 04:36 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/4/145/pdf |
| article pdf uploaded. | 19 April 2017 14:09 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/145/pdf-vor |
