function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Noris Salazar & Gudino, Jose A.', 1],
    ['Azuelo, Andrea G. & Tan, Benito C. & Shevock, James R.', 2],
    ['Belkina, Olga A. & Vilnet, Anna A.', 3],
    ['Bomfleur, Benjamin & Hedenäs, Lars & Friis, Else Marie', 5],
    ['Gomes do Nascimento, Géssica Maria', 10],
    ['J. Florschutz-de Waard & H. R. Zielman', 14],
    ['Lars Hedenäs', 6],
    ['Maier, Eva & Price, Michelle J.', 5],
    ['Nees von Esenbeck, C. G.', 7],
    ['Oliveira, Regigláucia Rodrigues de', 4],
    ['P. A. Florschütz', 11],
    ['Pioli, Achille', 2],
    ['Price, Michelle J.', 22],
    ['T, Cíntia Aparecida & Araújo, eixeira', 2],
    ['Tiwutanon, Patsakorn & Chaiyasut, Kasidis & Lumbsch, H. Thorsten', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=105)',
    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);