| article html file updated | 9 February 2020 01:21 CET | Update | https://www.mdpi.com/2076-3263/8/1/4 |
| article html file updated | 29 September 2019 12:35 CEST | Update | N/A |
| article html file updated | 2 May 2019 05:48 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:48 CEST | Update | N/A |
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| article html file updated | 1 February 2018 15:09 CET | Update | N/A |
| article html file updated | 27 December 2017 15:48 CET | Original file | N/A |
| article xml uploaded. | 27 December 2017 15:46 CET | Update | https://www.mdpi.com/2076-3263/8/1/4/xml |
| article xml uploaded. | 27 December 2017 15:46 CET | Original file | N/A |
| article pdf uploaded. | 27 December 2017 15:46 CET | Version of Record | https://www.mdpi.com/2076-3263/8/1/4/pdf |
