function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bächli, Gerhard & Merz, Bernhard & Haenni, Jean-Paul', 37],
    ['Câmara, J. T. & Rafael, J. A.', 27],
    ['Daugeron, Christophe & Grootaert, Patrick', 19],
    ['González, Christian R. & Elgueta, Mario & Rafael, José Albertino', 20],
    ['Ivkovic, Marija & Doric, Valentina & Baranov, Viktor', 22],
    ['Ivković, Marija & Gračan, Romana & Horvat, Bogdan', 50],
    ['Meigen, Johann Wilhelm', 47],
    ['Plant, Adrian R.', 94],
    ['Published, First', 43],
    ['Rafael, José Albertino & Cumming, Jeffrey M.', 32],
    ['Shamshev, Igor V. & Ivković, Marija', 45],
    ['Sinclair, Bradley J.', 48],
    ['Sinclair, Bradley J. & Brooks, Scott E. & Cumming, Jeffrey M.', 28],
    ['Sinclair, Bradley J. & Shamshev, Igor V.', 24],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 32],
    ['Other (88)', 513]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1081)',
    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);