| article html file updated | 8 February 2020 18:24 CET | Update | https://www.mdpi.com/2311-5629/3/4/29 |
| article html file updated | 27 September 2019 18:08 CEST | Update | N/A |
| article html file updated | 2 May 2019 21:24 CEST | Update | N/A |
| article html file updated | 13 October 2017 13:39 CEST | Original file | N/A |
| article xml uploaded. | 13 October 2017 13:37 CEST | Update | https://www.mdpi.com/2311-5629/3/4/29/xml |
| article xml uploaded. | 13 October 2017 13:37 CEST | Original file | N/A |
| article pdf uploaded. | 13 October 2017 13:37 CEST | Version of Record | https://www.mdpi.com/2311-5629/3/4/29/pdf |
