function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguado, M. Teresa & Rouse, Greg W.', 3],
    ['Capa, Maria & Bakken, Torkild', 14],
    ['Capa, Maria & Nygren, Arne & Parapar, Julio & Bakken, Torkild', 31],
    ['Capa, Maria & Osborn, Karen J. & Bakken, Torkild', 10],
    ['Capa, María & Rouse, Greg W.', 5],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 6],
    ['Georgieva, Magdalena N. & Wiklund, Helena & Ramos, Dino A.', 1],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 8],
    ['Magalhães, Wagner F. & Bailey, Julie H. & Brock, -', 2],
    ['Mikac, Barbara', 4],
    ['Moreira, Juan & Parapar, Julio', 2],
    ['Plathong, Jintana & Plathong, Sakanan & Capa, María', 4],
    ['Ribas, Julia & Hutchings, Pat', 1],
    ['Rizzo, Alexandra Elaine', 3],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=96)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);