function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broadley, Adam & Kauschke, Ellen & Mohrig, Werner', 77],
    ['Carvalho-Fernandes, Sheila Patrícia', 23],
    ['Grzegorzek, Adalbert', 22],
    ['Hippa, Heikki & Vilkamaa, Pekka', 64],
    ['Köhler, Arne', 43],
    ['Menzel, Frank & Gammelmo, Oivind & Olsen, Kjell Magne', 147],
    ['Menzel, Frank & Smith, Jane E. & Chandler, Peter J.', 249],
    ['Mohrig, Werner & Kauschke, Ellen', 85],
    ['Mohrig, Werner & Kauschke, Ellen & Broadley, Adam', 101],
    ['Mohrig, Werner & Menzel, Frank', 23],
    ['Shi, Kai & Huang, Junhao & Komarova, Lyudmila & Zhang, Sujiong', 37],
    ['Vilkamaa, Pekka & Halenius, Pentti & Ševčík, Jan', 26],
    ['Vilkamaa, Pekka & Hippa, Heikki & Mohrig, Werner', 47],
    ['Vilkamaa, Pekka & Menzel, Frank', 63],
    ['Winnertz, Johannes', 185],
    ['Other (68)', 382]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1574)',
    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);