| article html file updated | 9 February 2020 10:54 CET | Update | https://www.mdpi.com/2075-4663/6/2/25 |
| article html file updated | 1 October 2019 21:22 CEST | Update | N/A |
| article html file updated | 1 May 2019 09:28 CEST | Update | N/A |
| article html file updated | 17 April 2019 09:22 CEST | Update | N/A |
| article html file updated | 29 March 2019 08:58 CET | Update | N/A |
| article html file updated | 25 June 2018 12:33 CEST | Update | N/A |
| article html file updated | 23 March 2018 06:16 CET | Original file | N/A |
| article xml uploaded. | 23 March 2018 06:15 CET | Update | https://www.mdpi.com/2075-4663/6/2/25/xml |
| article pdf uploaded. | 23 March 2018 06:15 CET | Updated version of record | https://www.mdpi.com/2075-4663/6/2/25/pdf |
| article pdf uploaded. | 22 March 2018 18:16 CET | Version of Record | https://www.mdpi.com/2075-4663/6/2/25/pdf-vor |
