| article html file updated | 7 February 2020 21:58 CET | Update | https://www.mdpi.com/2227-9709/4/1/5 |
| article html file updated | 23 September 2019 00:07 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:06 CEST | Update | N/A |
| article html file updated | 27 October 2017 10:24 CEST | Update | N/A |
| article html file updated | 24 January 2017 05:58 CET | Update | N/A |
| article xml uploaded. | 24 January 2017 05:56 CET | Update | https://www.mdpi.com/2227-9709/4/1/5/xml |
| article xml uploaded. | 24 January 2017 05:56 CET | Update | N/A |
| article pdf uploaded. | 24 January 2017 05:56 CET | Updated version of record | https://www.mdpi.com/2227-9709/4/1/5/pdf |
| article html file updated | 22 January 2017 09:24 CET | Original file | N/A |
| article xml uploaded. | 22 January 2017 09:23 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2017 09:23 CET | Version of Record | https://www.mdpi.com/2227-9709/4/1/5/pdf-vor |
