<span>  Glist <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  chr <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  rsids <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  b <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  bm <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  seb <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  LD <span class="op">=</span> <span class="cn">NULL</s