| article html file updated | 8 February 2020 02:13 CET | Update | https://www.mdpi.com/2075-4701/7/4/111 |
| article html file updated | 24 September 2019 00:05 CEST | Update | - |
| article html file updated | 4 May 2019 05:06 CEST | Update | - |
| article html file updated | 28 April 2017 06:49 CEST | Update | - |
| article html file updated | 27 March 2017 10:47 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 10:45 CEST | Update | https://www.mdpi.com/2075-4701/7/4/111/xml |
| article pdf uploaded. | 27 March 2017 10:45 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/4/111/pdf |
| article pdf uploaded. | 24 March 2017 14:09 CET | Version of Record | https://www.mdpi.com/2075-4701/7/4/111/pdf-vor |
