| article html file updated | 8 February 2020 04:04 CET | Update | https://www.mdpi.com/2304-6740/5/2/28 |
| article html file updated | 24 September 2019 10:32 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:19 CEST | Update | N/A |
| article html file updated | 30 June 2017 08:24 CEST | Update | N/A |
| article html file updated | 20 April 2017 15:27 CEST | Original file | N/A |
| article xml uploaded. | 20 April 2017 15:26 CEST | Update | https://www.mdpi.com/2304-6740/5/2/28/xml |
| article pdf uploaded. | 20 April 2017 15:26 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/28/pdf |
