function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 3],
    ['Alves, Jessika & Neves, Elizabeth & Johnsson, Rodrigo', 2],
    ['Ariyama, Hiroyuki & Moritaki, Takeya', 3],
    ['Bellan-Santini, Denise', 4],
    ['Cházaro-Olvera, Sergio & Winfield, Ignacio & Ortiz, Manuel', 2],
    ['Coleman, Charles Oliver & Krapp-Schickel, Traudl', 2],
    ['Just, Jean', 3],
    ['Krapp-Schickel, T.', 4],
    ['Krapp-Schickel, Traudl', 42],
    ['Krapp-Schickel, Traudl & Vader, Wim', 8],
    ['Marin, Ivan & Sinelnikov, Sergey', 4],
    ['Rousou, Maria & Plaiti, Wanda & Lowry, Jim', 3],
    ['Tandberg, Anne Helene S.', 19],
    ['Tandberg, Anne Helene S. & Vader, Wim', 9],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 4],
    ['Other (10)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=124)',
    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);