| article html file updated | 9 February 2020 06:57 CET | Update | https://www.mdpi.com/2075-4701/8/2/140 |
| article html file updated | 30 September 2019 21:11 CEST | Update | N/A |
| article html file updated | 1 May 2019 17:46 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:06 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:59 CET | Update | N/A |
| article pdf uploaded. | 21 January 2019 09:30 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/2/140/pdf |
| article html file updated | 20 February 2018 16:24 CET | Original file | N/A |
| article xml uploaded. | 20 February 2018 16:23 CET | Original file | https://www.mdpi.com/2075-4701/8/2/140/xml |
| article pdf uploaded. | 20 February 2018 16:23 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/2/140/pdf-vor |
| article pdf uploaded. | 17 February 2018 09:08 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/140/pdf-vor |
