function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amorim, Dalton De Souza & Falaschi, Rafaela Lopes', 2],
    ['DE SOUZA AMORIM, DALTON & RINDAL, EIRIK', 14],
    ['Falaschi, Rafaela Lopes & Amaral, Edna Maria', 2],
    ['Falaschi, Rafaela Lopes & Amorim, Dalton De Souza', 2],
    ['Hippa, Heikki & Chandler, Peter & Papp, László', 4],
    ['Hippa, Heikki & Vilkamaa, Pekka', 1],
    ['Hippa, Heikki & ŠEVýÍK, Jan', 4],
    ['Jaschhof, M', 1],
    ['Jaschhof, Mathias & Jaschhof, Catrin', 5],
    ['Jaschhof, Mathias & Levesque-Beaudin, Valerie', 1],
    ['Jaschhof, Mathias & Levesque-Beaudin, Valerie & Broadley, Adam', 1],
    ['Jaschhof, Mathias & Ševčík, Jan', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);