| article html file updated | 8 February 2020 12:46 CET | Update | https://www.mdpi.com/2226-4787/5/3/44 |
| article html file updated | 3 May 2019 08:31 CEST | Update | N/A |
| article html file updated | 27 March 2019 19:12 CET | Update | N/A |
| article html file updated | 30 September 2017 15:41 CEST | Update | N/A |
| article html file updated | 4 August 2017 08:23 CEST | Original file | N/A |
| article xml uploaded. | 4 August 2017 08:21 CEST | Original file | https://www.mdpi.com/2226-4787/5/3/44/xml |
| article pdf uploaded. | 4 August 2017 08:21 CEST | Version of Record | https://www.mdpi.com/2226-4787/5/3/44/pdf |
