| article html file updated | 8 February 2020 14:58 CET | Update | https://www.mdpi.com/2411-5142/2/3/32 |
| article html file updated | 26 September 2019 20:57 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:13 CEST | Update | N/A |
| article html file updated | 31 August 2017 14:12 CEST | Original file | N/A |
| article xml uploaded. | 31 August 2017 14:11 CEST | Original file | https://www.mdpi.com/2411-5142/2/3/32/xml |
| article pdf uploaded. | 31 August 2017 14:11 CEST | Version of Record | https://www.mdpi.com/2411-5142/2/3/32/pdf |
