Manurung, Yupiter H. P. http://orcid.org/0000-0002-8090-5736
Prajadhiana, Keval P.
Adenan, Mohd Shahriman
Awiszus, Birgit
Graf, Marcel
Haelsig, Andre
Article History
Received: 27 June 2020
Revised: 19 January 2021
Accepted: 1 February 2021
First Online: 16 February 2021
Compliance with ethical standards
:
: We the undersigned declare that this manuscript is original, has not been published before and is not currently being considered for publication elsewhere.We wish to confirm that there are no known conflicts of interest associated with this publication and there had been no significant financial support for this work that could have influenced its outcome.We confirm that the manuscript had been read and approved by all named authors and that there are no other persons who satisfied the criteria for authorship but are not listed.We further confirm that the order of authors listed in the manuscript had been approved by all of us.We confirm that we have given due consideration to the protection of intellectual property associated with this work and that there are no impediments to publication, including the timing of publication, with respect to intellectual property. In so doing we confirm that we have followed the regulations of our institutions concerning intellectual property.