| article html file updated | 8 February 2020 04:12 CET | Update | https://www.mdpi.com/2304-6740/5/2/29 |
| article html file updated | 24 September 2019 11:16 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:05 CEST | Update | N/A |
| article html file updated | 30 June 2017 08:24 CEST | Update | N/A |
| article html file updated | 22 April 2017 12:52 CEST | Original file | N/A |
| article xml uploaded. | 22 April 2017 12:51 CEST | Original file | https://www.mdpi.com/2304-6740/5/2/29/xml |
| article pdf uploaded. | 22 April 2017 12:51 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/29/pdf |
