| article html file updated | 8 February 2020 05:30 CET | Update | https://www.mdpi.com/2311-5629/3/2/15 |
| article html file updated | 24 September 2019 18:00 CEST | Update | - |
| article html file updated | 15 August 2019 07:54 CEST | Update | - |
| article html file updated | 3 May 2019 22:43 CEST | Update | - |
| article html file updated | 23 May 2017 03:58 CEST | Update | - |
| article html file updated | 10 May 2017 13:03 CEST | Original file | - |
| article xml uploaded. | 10 May 2017 13:01 CEST | Original file | https://www.mdpi.com/2311-5629/3/2/15/xml |
| article pdf uploaded. | 10 May 2017 13:01 CEST | Version of Record | https://www.mdpi.com/2311-5629/3/2/15/pdf |
