function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcántara-Ayala, Othón & Maradiaga-Ceceña, Francisco S.', 2],
    ['Baker, Edmund Gilbert', 1],
    ['Barker, George', 1],
    ['Breure, Abraham S. H. & Tardy, Emmanuel', 1],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 1],
    ['Diels, Friedrich Ludwig Emil', 1],
    ['Hoogland, Ruurd Dirk', 1],
    ['Kanehira, Ryozo & Hatusima, Sumihiko', 1],
    ['Kobuski, Clarence Emmeren', 12],
    ['Lauterbach, Carl (Karl) Adolf Georg', 2],
    ['Lin, Yun & Bi, Hai-Yan & Sun, Jun & Sun, Qian', 4],
    ['Martinetto, Edoardo & Bertini, Adele & Mantzouka, Dimitra', 2],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 3],
    ['Royen, Pieter van', 10],
    ['Suh, Soo-Jung', 6],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);