| article html file updated | 8 February 2020 19:09 CET | Update | https://www.mdpi.com/2079-9276/6/4/58 |
| article html file updated | 27 September 2019 22:31 CEST | Update | N/A |
| article html file updated | 2 May 2019 19:41 CEST | Update | N/A |
| article html file updated | 2 January 2018 10:31 CET | Update | N/A |
| article html file updated | 25 October 2017 12:17 CEST | Update | N/A |
| article xml uploaded. | 25 October 2017 12:16 CEST | Update | https://www.mdpi.com/2079-9276/6/4/58/xml |
| article pdf uploaded. | 25 October 2017 12:16 CEST | Updated version of record | https://www.mdpi.com/2079-9276/6/4/58/pdf |
| article html file updated | 23 October 2017 13:44 CEST | Original file | N/A |
| article xml uploaded. | 23 October 2017 13:43 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2017 13:43 CEST | Updated version of record | https://www.mdpi.com/2079-9276/6/4/58/pdf-vor |
| article pdf uploaded. | 22 October 2017 11:29 CEST | Version of Record | https://www.mdpi.com/2079-9276/6/4/58/pdf-vor |
