function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguilar-Camacho, Jose Maria & Carballo, Jose Luis', 10],
    ['Bertolino, Marco & Cerrano, Carlo & Bavestrello, Giorgio', 2],
    ['Cavalcanti, Thaynã & Santos, George Garcia & Pinheiro, Ulisses', 8],
    ['Diaz, Maria Cristina & Nuttall, Marissa & Pomponi, Shirley A.', 2],
    ['Ekins, Merrick & Debitus, Cécile & Erpenbeck, Dirk', 3],
    ['Göcke, Christian & Janussen, Dorte', 5],
    ['Kelly, Michelle & Erpenbeck, Dirk & Morrow, Christine', 4],
    ['Lehnert, Helmut & Stone, Robert P.', 3],
    ['Lerner, Cléa & Carraro, João L. & Soest, Rob Van', 3],
    ['Ozga, Aline Vasum & Menegola, Carla', 7],
    ['Recinos, Radharanne & Pinheiro, Ulisses & Willenz, Philippe', 5],
    ['Santos, George Garcia & França, Fernando & Pinheiro, Ulisses', 4],
    ['Soest, Rob van & Carballo, Jose Luis & Hooper, John', 19],
    ['Turner, Thomas L. & Lonhart, Steve I.', 3],
    ['Van, Rob W. M.', 4],
    ['Other (15)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=102)',
    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);