function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Assing, Volker & Schülke, Michael & Brachat, Volker', 3],
    ['Digirolomo, Marc F. & Blackington, Christopher O.', 2],
    ['Franz, Herbert', 8],
    ['Hlaváč, Peter & Stevanović, Miroslav', 26],
    ['Hoshina, Hideto Dr.', 3],
    ['Jaloszynski, Pawel', 2],
    ['Jałoszyński, Paweł', 97],
    ['Jałoszyński, Paweł & Newton, Alfred F.', 13],
    ['Jałoszyński, Paweł & Nomura, Shûhei Dr.', 26],
    ['Jałoszyński, Paweł & Perkovsky, Evgeny', 4],
    ['Motschulsky, Victor de', 7],
    ['Müller, P. W. J. & Kunze, Gustav', 2],
    ['Paweł Jałoszyński', 2],
    ['Reitter, Edmund', 2],
    ['Stevanović, Miroslav', 12],
    ['Other (18)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=227)',
    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);