function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['BOCAK, L. & MATSUDA, K.', 49],
    ['Bic, Vlastislav', 28],
    ['Bocak, Ladislav', 33],
    ['Bocakova, Milada & Baciakova, Barbora', 16],
    ['Dudkova, Pavla & Bocak, Ladislav', 40],
    ['Dvorak, Milan & Bocak, Ladislav', 32],
    ['Ferreira, Vinicius S.', 21],
    ['Ferreira, Vinicius S. & Ivie, Michael A.', 20],
    ['Jiruskova, Alice & Motyka, Michal & Bocak, Ladislav', 23],
    ['Kazantsev, S. V.', 89],
    ['Kazantsev, Sergey V.', 88],
    ['Li, Yun & Bocak, Ladislav & Pang, Hong', 17],
    ['Masek, Michal & Bocak, Ladislav', 21],
    ['Nascimento, Elynton Alves Do & Bocakova, Milada', 42],
    ['Pérez-Hernández, Cisteil Xinum', 66],
    ['Other (51)', 220]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=805)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);