function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Frank, Christa', 1],
    ['Jochum, Adrienne & Slapnik, Rajko & Kampschulte, Marian', 8],
    ['Muratov, Igor V.', 4],
    ['Pall-Gergely, Barna & Hunyadi, Andras & Jochum, Adrienne', 11],
    ['Pall-Gergely, Barna & Hunyadi, Andras & Vermeulen, Jaap J.', 57],
    ['Páll-Gergely, Barna & Grego, Jozef & Vermeulen, Jaap J.', 12],
    ['Páll-Gergely, Barna & Hunyadi, András', 12],
    ['Páll-Gergely, Barna & Hunyadi, András & Grego, Jozef', 11],
    ['Páll-Gergely, Barna & Jochum, Adrienne & J. Vermeulen, Jaap', 3],
    ['Páll-Gergely, Barna & White, Tom S.', 4],
    ['Salvador, Rodrigo B. & Cavallari, Daniel C. & Simone, Luiz R. L.', 1],
    ['Sutcharit, Chirasak & Ngor, Peng Bun & Páll-Gergely, Barna', 5],
    ['Sutcharit, Chirasak & Thach, Phanara & Chhuoy, Samol', 2],
    ['Tanmuangpak, Kitti & Dumrongrojwattana, Pongrat', 2],
    ['Whisson, Corey S. & Koehler, Frank', 6],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=140)',
    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);