| article html file updated | 9 February 2020 03:18 CET | Update | https://www.mdpi.com/2075-4701/8/1/60 |
| article html file updated | 29 September 2019 23:27 CEST | Update | N/A |
| article html file updated | 2 May 2019 01:47 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:04 CEST | Update | N/A |
| article html file updated | 28 March 2019 16:06 CET | Update | N/A |
| article html file updated | 9 February 2018 11:05 CET | Update | N/A |
| article html file updated | 1 February 2018 12:15 CET | Update | N/A |
| article html file updated | 19 January 2018 11:22 CET | Update | N/A |
| article xml uploaded. | 19 January 2018 11:20 CET | Update | https://www.mdpi.com/2075-4701/8/1/60/xml |
| article xml uploaded. | 19 January 2018 11:20 CET | Update | N/A |
| article pdf uploaded. | 19 January 2018 11:20 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/1/60/pdf |
| article html file updated | 16 January 2018 17:04 CET | Original file | N/A |
| article xml uploaded. | 16 January 2018 17:02 CET | Update | N/A |
| article xml uploaded. | 16 January 2018 17:02 CET | Original file | N/A |
| article pdf uploaded. | 16 January 2018 17:02 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/60/pdf-vor |
