| article html file updated | 8 February 2020 19:34 CET | Update | https://www.mdpi.com/2078-2489/8/4/133 |
| article html file updated | 28 September 2019 01:00 CEST | Update | N/A |
| article html file updated | 2 May 2019 18:43 CEST | Update | N/A |
| article html file updated | 2 January 2018 13:37 CET | Update | N/A |
| article html file updated | 30 October 2017 20:23 CET | Original file | N/A |
| article xml uploaded. | 30 October 2017 20:22 CET | Original file | https://www.mdpi.com/2078-2489/8/4/133/xml |
| article pdf uploaded. | 30 October 2017 20:09 CET | Updated version of record | https://www.mdpi.com/2078-2489/8/4/133/pdf |
| article pdf uploaded. | 26 October 2017 15:17 CEST | Version of Record | https://www.mdpi.com/2078-2489/8/4/133/pdf-vor |
