function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Evenhuis, Neal L.', 1],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 2],
    ['Evenhuis, Neal L. & Pape, Thomas', 1],
    ['Ferro, Gustavo Borges & Marshall, Stephen A.', 55],
    ['Kim, Wonwoong & Weele, Ruud Van Der & Lee, Seunghwan', 11],
    ['Li, Xuankun & Marshall, Stephen A. & Yang, Ding', 28],
    ['Lindsay, Kate & Marshall, Stephen A.', 54],
    ['Marshall, S. A.', 52],
    ['Marshall, Stephen & Cardona, Anderson & Wolff, Martha', 70],
    ['Marshall, Stephen A.', 103],
    ['Meigen, Johann Wilhelm', 2],
    ['O’Hara, James E. & Cerretti, Pierfilippo & Pape, Thomas', 5],
    ['Robineau-Desvoidy, André Jean Baptiste Dr.', 7],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 9],
    ['Soares, Matheus M. M. & Barros, Luana M. & Ale-Rocha, Rosaly', 2],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=412)',
    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);