| article html file updated | 9 February 2020 01:33 CET | Update | https://www.mdpi.com/2078-2489/9/1/4 |
| article html file updated | 29 September 2019 13:46 CEST | Update | N/A |
| article html file updated | 2 May 2019 05:22 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:24 CEST | Update | N/A |
| article html file updated | 28 March 2019 12:02 CET | Update | N/A |
| article html file updated | 1 February 2018 11:12 CET | Update | N/A |
| article html file updated | 5 January 2018 04:51 CET | Original file | N/A |
| article xml uploaded. | 5 January 2018 04:49 CET | Original file | https://www.mdpi.com/2078-2489/9/1/4/xml |
| article pdf uploaded. | 5 January 2018 04:49 CET | Updated version of record | https://www.mdpi.com/2078-2489/9/1/4/pdf |
| article pdf uploaded. | 29 December 2017 15:57 CET | Version of Record | https://www.mdpi.com/2078-2489/9/1/4/pdf-vor |
