function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alvarez, Belinda & De Voogd, Nicole J. & Soest, Van', 9],
    ['Austin, William C. & Ott, Bruce S. & Reiswig, Henry M.', 2],
    ['Bertolino, Marco & Costa, Gabriele & Bavestrello, Giorgio', 2],
    ['Carballo, Jose Luis & Bautista-Guerrero, Eric', 2],
    ['Carvalho, Mariana De S. & Hajdu, Eduardo', 2],
    ['Cavalcanti, Thaynã & Recinos, Radharanne & Pinheiro, Ulisses', 3],
    ['Göcke, Christian & Janussen, Dorte', 3],
    ['Rützler, Klaus & Piantoni, Carla & Van, Rob W. M.', 3],
    ['Samaai, Toufiek & Pillay, Ruwen & Janson, Liesl', 6],
    ['Sim-Smith, Carina & Hickman, Cleveland & Kelly, Michelle', 3],
    ['Sitjà, Cèlia & Maldonado, Manuel', 4],
    ['Ugalde, Diana & Fernandez, Julio C. C. & Gómez, Patricia', 3],
    ['Van Soest, Rob W. M.', 3],
    ['Van, Rob W. M.', 3],
    ['Zea, Sven & Pulido, Alejandra', 3],
    ['Other (10)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);