| article html file updated | 8 February 2020 06:09 CET | Update | https://www.mdpi.com/2304-6740/5/2/34 |
| article html file updated | 24 September 2019 21:28 CEST | Update | N/A |
| article html file updated | 3 May 2019 21:28 CEST | Update | N/A |
| article html file updated | 30 June 2017 08:26 CEST | Update | N/A |
| article html file updated | 22 May 2017 04:38 CEST | Update | N/A |
| article html file updated | 18 May 2017 12:17 CEST | Original file | N/A |
| article xml uploaded. | 18 May 2017 12:15 CEST | Update | https://www.mdpi.com/2304-6740/5/2/34/xml |
| article pdf uploaded. | 18 May 2017 12:15 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/34/pdf |
