| article html file updated | 8 February 2020 02:20 CET | Update | https://www.mdpi.com/2075-4701/7/4/115 |
| article html file updated | 24 September 2019 00:41 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:52 CEST | Update | N/A |
| article html file updated | 28 April 2017 06:51 CEST | Update | N/A |
| article html file updated | 28 March 2017 10:59 CEST | Original file | N/A |
| article pdf uploaded. | 28 March 2017 09:53 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/4/115/pdf |
| article pdf uploaded. | 27 March 2017 12:34 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/4/115/pdf-vor |
