| article html file updated | 8 February 2020 14:40 CET | Update | https://www.mdpi.com/2225-1154/5/3/68 |
| article html file updated | 26 September 2019 19:12 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:47 CEST | Update | N/A |
| article html file updated | 30 September 2017 07:44 CEST | Update | N/A |
| article html file updated | 28 August 2017 12:57 CEST | Original file | N/A |
| article xml uploaded. | 28 August 2017 12:55 CEST | Original file | https://www.mdpi.com/2225-1154/5/3/68/xml |
| article pdf uploaded. | 28 August 2017 12:55 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/3/68/pdf |
