| article html file updated | 8 February 2020 03:44 CET | Update | https://www.mdpi.com/2304-6740/5/2/26 |
| article html file updated | 24 September 2019 08:40 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:55 CEST | Update | N/A |
| article html file updated | 30 June 2017 08:24 CEST | Update | N/A |
| article html file updated | 18 April 2017 12:54 CEST | Original file | N/A |
| article xml uploaded. | 18 April 2017 12:53 CEST | Original file | https://www.mdpi.com/2304-6740/5/2/26/xml |
| article pdf uploaded. | 18 April 2017 12:53 CEST | Updated version of record | https://www.mdpi.com/2304-6740/5/2/26/pdf |
| article pdf uploaded. | 17 April 2017 12:54 CEST | Version of Record | https://www.mdpi.com/2304-6740/5/2/26/pdf-vor |
